title: An evaluation of azathioprine in severe chronic asthma.
mesh_terms: D000328:Adult; D000368:Aged; D001249:Asthma / Q000188:drug therapy*; D001379:Azathioprine / Q000009:adverse effects / Q000627:therapeutic use*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D013147:Spirometry; D013183:Sputum; D014797:Vital Capacity
chemical_list: D001379:Azathioprine; D010100:Oxygen