{"id":"https://openalex.org/W928870430","doi":null,"title":"Caffeine and headache: relationship with the effects of caffeine on cerebral blood flow.","display_name":"Caffeine and headache: relationship with the effects of caffeine on cerebral blood flow.","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W928870430","mag":"928870430"},"language":"en","primary_location":{"id":"mag:928870430","doi":null,"is_oa":false,"landing_page_url":"http://www.cabdirect.org/abstracts/20043092283.html","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5068699786","display_name":"Astrid Nehlig","orcid":"https://orcid.org/0000-0002-5544-0893","observed_orcids":["https://orcid.org/0000-0002-5544-0893"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Astrid Nehlig","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-5544-0893","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5068699786"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"175","last_page":"186"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10498","display_name":"Migraine and Headache Studies","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T10498","display_name":"Migraine and Headache Studies","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T11264","display_name":"Coffee research and impacts","score":0.003100000089034438,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology (medical)"},"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/T10706","display_name":"Traumatic Brain Injury and Neurovascular Disturbances","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/caffeine","display_name":"caffeine","score":1.0},{"id":"https://openalex.org/keywords/headache","display_name":"headache","score":0.9869999885559082},{"id":"https://openalex.org/keywords/cerebral-blood-flow","display_name":"cerebral blood flow","score":0.9789999723434448}],"concepts":[{"id":"https://openalex.org/C2778500429","wikidata":"https://www.wikidata.org/wiki/Q60235","display_name":"Caffeine","level":2,"score":0.8357939720153809},{"id":"https://openalex.org/C157767197","wikidata":"https://www.wikidata.org/wiki/Q886843","display_name":"Cerebral blood flow","level":2,"score":0.6649651527404785},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.500542402267456},{"id":"https://openalex.org/C42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","level":1,"score":0.4819771647453308},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.36011362075805664},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.29290276765823364}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:928870430","doi":null,"is_oa":false,"landing_page_url":"http://www.cabdirect.org/abstracts/20043092283.html","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6240000128746033,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":99,"referenced_works":["https://openalex.org/W10382812","https://openalex.org/W51962257","https://openalex.org/W92638324","https://openalex.org/W159453331","https://openalex.org/W1966838418","https://openalex.org/W1968460688","https://openalex.org/W1968599797","https://openalex.org/W1972516030","https://openalex.org/W1976212786","https://openalex.org/W1977077152","https://openalex.org/W1977344163","https://openalex.org/W1977489853","https://openalex.org/W1979137423","https://openalex.org/W1979642608","https://openalex.org/W1983080490","https://openalex.org/W1989118796","https://openalex.org/W1990681108","https://openalex.org/W1999697951","https://openalex.org/W2002305756","https://openalex.org/W2003516039","https://openalex.org/W2006115494","https://openalex.org/W2006145844","https://openalex.org/W2007075131","https://openalex.org/W2012553932","https://openalex.org/W2015113388","https://openalex.org/W2016063233","https://openalex.org/W2022163327","https://openalex.org/W2022568454","https://openalex.org/W2023384436","https://openalex.org/W2024030683","https://openalex.org/W2025006950","https://openalex.org/W2025270958","https://openalex.org/W2025600751","https://openalex.org/W2025934016","https://openalex.org/W2031930025","https://openalex.org/W2031997610","https://openalex.org/W2033223573","https://openalex.org/W2036362140","https://openalex.org/W2037419252","https://openalex.org/W2037698636","https://openalex.org/W2038136216","https://openalex.org/W2044499012","https://openalex.org/W2048001053","https://openalex.org/W2049506542","https://openalex.org/W2049908803","https://openalex.org/W2051414841","https://openalex.org/W2051619456","https://openalex.org/W2053831163","https://openalex.org/W2056005004","https://openalex.org/W2056320680","https://openalex.org/W2057393087","https://openalex.org/W2057408169","https://openalex.org/W2057408429","https://openalex.org/W2064972676","https://openalex.org/W2067474318","https://openalex.org/W2068086763","https://openalex.org/W2073833240","https://openalex.org/W2074637775","https://openalex.org/W2080250760","https://openalex.org/W2080373158","https://openalex.org/W2082236245","https://openalex.org/W2084801155","https://openalex.org/W2086181774","https://openalex.org/W2087826633","https://openalex.org/W2092108849","https://openalex.org/W2092749824","https://openalex.org/W2094357416","https://openalex.org/W2099275034","https://openalex.org/W2099358732","https://openalex.org/W2101004411","https://openalex.org/W2109114455","https://openalex.org/W2115084854","https://openalex.org/W2122522363","https://openalex.org/W2125972553","https://openalex.org/W2136044180","https://openalex.org/W2136070811","https://openalex.org/W2136717001","https://openalex.org/W2139022372","https://openalex.org/W2144006937","https://openalex.org/W2145831536","https://openalex.org/W2146433370","https://openalex.org/W2151834333","https://openalex.org/W2155860193","https://openalex.org/W2157064761","https://openalex.org/W2157451131","https://openalex.org/W2165226077","https://openalex.org/W2168133982","https://openalex.org/W2168228955","https://openalex.org/W2174255320","https://openalex.org/W2245564568","https://openalex.org/W2263748445","https://openalex.org/W2279656270","https://openalex.org/W2290838447","https://openalex.org/W2410665012","https://openalex.org/W2461742381","https://openalex.org/W2472957185","https://openalex.org/W4248790175","https://openalex.org/W4250446189","https://openalex.org/W4323903858"],"related_works":["https://openalex.org/W4244924336","https://openalex.org/W2410863186","https://openalex.org/W2497025831","https://openalex.org/W2049908803","https://openalex.org/W3005790695","https://openalex.org/W2074637775","https://openalex.org/W2407280676","https://openalex.org/W2258775981","https://openalex.org/W2610501852","https://openalex.org/W157454429"],"abstract_inverted_index":null,"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}