title: Utilization of analgesics in the multicenter study of hydroxyurea in sickle cell anemia: effect of sex, age, and geographical location.
authors.forename: Samir K
authors.initials: SK
authors.lastname: Ballas
authors.forename: Robert L
authors.initials: RL
authors.lastname: Bauserman
authors.forename: William F
authors.initials: WF
authors.lastname: McCarthy
authors.forename: Oswaldo L
authors.initials: OL
authors.lastname: Castro
authors.forename: Wally R
authors.initials: WR
authors.lastname: Smith
authors.forename: Myron A
authors.initials: MA
authors.lastname: Waclawiw
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D018712:Analgesics, Non-Narcotic / Q000008:administration & dosage / Q000493:pharmacokinetics / Q000627:therapeutic use; D000755:Anemia, Sickle Cell / Q000150:complications / Q000188:drug therapy*; D002980:Climate; D004363:Drug Utilization; D005260:Female; D006760:Hospitalization; D006801:Humans; D006918:Hydroxyurea / Q000627:therapeutic use*; D008297:Male; D008685:Meteorological Concepts; D008875:Middle Aged; D015337:Multicenter Studies as Topic / Q000706:statistics & numerical data*; D009294:Narcotics / Q000008:administration & dosage / Q000493:pharmacokinetics / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy* / Q000453:epidemiology / Q000209:etiology / Q000503:physiopathology / Q000517:prevention & control; D017288:Pain Threshold; D017450:Receptors, Opioid, mu / Q000187:drug effects; D012737:Sex Factors; D014481:United States / Q000453:epidemiology; D055815:Young Adult
chemical_list: D018712:Analgesics, Non-Narcotic; D009294:Narcotics; D017450:Receptors, Opioid, mu; D006918:Hydroxyurea