Does theophylline improve dyspnea in nonreversible COPD?
Cohen
B M
BM
D000328:Adult; D000368:Aged; D004417:Dyspnea / Q000188:drug therapy* / Q000209:etiology; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications*; D008297:Male; D008875:Middle Aged; D013806:Theophylline / Q000627:therapeutic use*
D013806:Theophylline