The effect of pholcodine with and without an antihistamine on cough and expectoration.
D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000188:drug therapy; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D003371:Cough / Q000188:drug therapy*; D004311:Double-Blind Method; D004338:Drug Combinations; D005036:Ethylmorphine / Q000031:analogs & derivatives / Q000627:therapeutic use*; D005260:Female; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D009022:Morphine Derivatives / Q000627:therapeutic use*; D013183:Sputum / Q000032:analysis; D013637:Tape Recording; D013997:Time Factors
D004338:Drug Combinations; D006634:Histamine H1 Antagonists; D009022:Morphine Derivatives; D005036:Ethylmorphine