Clinical trial of an analgesic compound in general practice.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003061:Codeine / Q000009:adverse effects / Q000627:therapeutic use*; D011431:Dextropropoxyphene / Q000009:adverse effects / Q000627:therapeutic use*; D005194:Family Practice; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
D011431:Dextropropoxyphene; D003061:Codeine