[Effect of H1- and H2-receptor antagonists on late asthmatic responses].
D001249:Asthma / Q000188:drug therapy*; D002744:Chlorpheniramine / Q000627:therapeutic use*; D002927:Cimetidine / Q000627:therapeutic use*; D004359:Drug Therapy, Combination; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged
D006146:Guanidines; D002744:Chlorpheniramine; D002927:Cimetidine