{"id":"https://openalex.org/W2413684183","doi":null,"title":"[Nocturnal erectile activity in erectile dysfunction. An examination of nocturnal penile tumescence and rigidity].","display_name":"[Nocturnal erectile activity in erectile dysfunction. An examination of nocturnal penile tumescence and rigidity].","publication_year":1989,"publication_date":"1989-01-09","ids":{"openalex":"https://openalex.org/W2413684183","mag":"2413684183","pmid":"https://pubmed.ncbi.nlm.nih.gov/2911901"},"language":"da","primary_location":{"id":"pmid:2911901","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2911901","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Ugeskrift for laeger","raw_type":"English Abstract"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030330266","display_name":"Ejvind Underbjerg Poulsen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E U Poulsen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5031572226","display_name":"Kirkeby Hj","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"H J Kirkeby","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.30895158,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"151","issue":"2","first_page":"81","last_page":"3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10459","display_name":"Sexual function and dysfunction studies","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10459","display_name":"Sexual function and dysfunction studies","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10279","display_name":"Urinary Bladder and Prostate Research","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11815","display_name":"Urological Disorders and Treatments","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/nocturnal-penile-tumescence","display_name":"nocturnal penile tumescence","score":0.9779999852180481},{"id":"https://openalex.org/keywords/erectile-dysfunction","display_name":"erectile dysfunction","score":0.996999979019165},{"id":"https://openalex.org/keywords/psychogenic-impotence","display_name":"psychogenic impotence","score":0.8379999995231628},{"id":"https://openalex.org/keywords/organic-impotence","display_name":"organic impotence","score":0.9350000023841858},{"id":"https://openalex.org/keywords/sleep-related-erections","display_name":"sleep-related erections","score":0.8640000224113464},{"id":"https://openalex.org/keywords/continuous-monitoring-system","display_name":"continuous monitoring system","score":0.35899999737739563}],"concepts":[{"id":"https://openalex.org/C2776572759","wikidata":"https://www.wikidata.org/wiki/Q1929898","display_name":"Nocturnal penile tumescence","level":4,"score":0.9753273725509644},{"id":"https://openalex.org/C2776918371","wikidata":"https://www.wikidata.org/wiki/Q4159514","display_name":"Tumescence","level":3,"score":0.8980041742324829},{"id":"https://openalex.org/C2779929075","wikidata":"https://www.wikidata.org/wiki/Q184674","display_name":"Erectile dysfunction","level":2,"score":0.7678926587104797},{"id":"https://openalex.org/C160146798","wikidata":"https://www.wikidata.org/wiki/Q2471453","display_name":"Psychogenic disease","level":2,"score":0.713848888874054},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5958407521247864},{"id":"https://openalex.org/C2777334680","wikidata":"https://www.wikidata.org/wiki/Q1607611","display_name":"Nocturnal","level":2,"score":0.550687849521637},{"id":"https://openalex.org/C160343418","wikidata":"https://www.wikidata.org/wiki/Q185256","display_name":"Rigidity (electromagnetism)","level":2,"score":0.45999157428741455},{"id":"https://openalex.org/C126894567","wikidata":"https://www.wikidata.org/wiki/Q105650","display_name":"Urology","level":1,"score":0.3308538794517517},{"id":"https://openalex.org/C3020768380","wikidata":"https://www.wikidata.org/wiki/Q133993","display_name":"Erectile function","level":3,"score":0.18370530009269714},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.18161547183990479},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D002940","descriptor_name":"Circadian Rhythm","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007172","descriptor_name":"Erectile Dysfunction","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D007172","descriptor_name":"Erectile Dysfunction","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008722","descriptor_name":"Methods","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010410","descriptor_name":"Penile Erection","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012890","descriptor_name":"Sleep","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false}],"locations_count":2,"locations":[{"id":"pmid:2911901","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2911901","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Ugeskrift for laeger","raw_type":"English Abstract"},{"id":"mag:2413684183","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2911901","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.6000000238418579,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2405439604","https://openalex.org/W2010311940","https://openalex.org/W187530494","https://openalex.org/W2563847198","https://openalex.org/W4254313647","https://openalex.org/W4309263870","https://openalex.org/W4387108927","https://openalex.org/W2415553187","https://openalex.org/W2418777710","https://openalex.org/W1968730565"],"abstract_inverted_index":{"The":[0],"historical":[1],"background":[2],"for":[3,24],"the":[4],"use":[5],"of":[6,28],"sleep-related":[7],"erections":[8],"(nocturnal":[9],"penile":[10,29],"tumescence)":[11],"to":[12],"distinguish":[13],"organogenic":[14],"from":[15],"psychogenic":[16],"impotence":[17],"is":[18,33],"reviewed.":[19],"A":[20],"commercially":[21],"available":[22],"system":[23],"continuous,":[25],"non-invasive":[26],"measurement":[27],"tumescence":[30],"and":[31],"rigidity":[32],"presented.":[34]},"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
