title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 28-1980.
mesh_terms: D003937:Diagnosis, Differential; D004917:Erythromycin / Q000627:therapeutic use; D006801:Humans; D007877:Legionnaires' Disease / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology*; D007945:Leukemia, Lymphoid / Q000175:diagnosis / Q000473:pathology*; D008168:Lung / Q000473:pathology; D008173:Lung Diseases, Obstructive / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000473:pathology*
chemical_list: D004917:Erythromycin