[History and the significance of pneumonia in old age].
D000367:Age Factors; D000368:Aged; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011014:Pneumonia / Q000266:history / Q000401:mortality; D011018:Pneumonia, Pneumococcal / Q000209:etiology / Q000266:history / Q000628:therapy
Geschichte und Bedeutung der Pneumonie im hohen Alter.