A cumulative dose response study of oxitropium bromide (Ba 253) in asthmatics.
D000293:Adolescent; D000328:Adult; D000420:Albuterol / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008297:Male; D008875:Middle Aged; D012602:Scopolamine Derivatives / Q000627:therapeutic use*
D012602:Scopolamine Derivatives; C017590:oxitropium; D000420:Albuterol