Theophylline--plasma concentration related to bronchodilatation and side effects.
D000403:Airway Resistance / Q000187:drug effects*; D001249:Asthma / Q000097:blood / Q000188:drug therapy*; D006801:Humans; D013806:Theophylline / Q000009:adverse effects / Q000097:blood*
D013806:Theophylline