Response to oral theophylline in severe chronic obstructive airways disease.
Davidson
A C
AC
Cooper
C B
CB
D006801:Humans; D008168:Lung / Q000187:drug effects*; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D013806:Theophylline / Q000627:therapeutic use*
D013806:Theophylline