The use of analgetics by hemophiliacs.
D000293:Adolescent; D000328:Adult; D000700:Analgesics / Q000009:adverse effects / Q000627:therapeutic use*; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced; D006467:Hemophilia A / Q000150:complications*; D006801:Humans; D009892:Opium / Q000627:therapeutic use; D010146:Pain / Q000188:drug therapy*
D000700:Analgesics; D009892:Opium