[History of pneumonia--a change from the 19th to the 21st century].
D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011014:Pneumonia / Q000266:history*; D014481:United States
Die Geschichte der Pneumonien--Wandel vom 19. zum 21. Jahrhundert.