CPC--ivory-tower medicine?
D000368:Aged; D001900:Boston; D003226:Congresses as Topic; D003937:Diagnosis, Differential; D003954:Diagnostic Services / Q000706:statistics & numerical data*; D005260:Female; D005102:Health Expenditures; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis; D008175:Lung Neoplasms / Q000175:diagnosis; D012507:Sarcoidosis / Q000175:diagnosis