[Effect of broncholytic drugs in present use on some respiratory volumes in chronic bronchitics].
D001991:Bronchitis / Q000628:therapy*; D006801:Humans; D011395:Promazine / Q000628:therapy*; D013566:Sympathomimetics / Q000628:therapy*
D013566:Sympathomimetics; D011395:Promazine
BRONCHITIS/therapy; PROMAZINE/therapy; SYMPATHOMIMETICS/therapy