Unstable asthma and theophylline.
McDonald
C J
CJ
Court
M
M
Miller
A J
AJ
D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D010366:Peak Expiratory Flow Rate / Q000187:drug effects; D013806:Theophylline / Q000627:therapeutic use*
D013806:Theophylline