The pathophysiology of influenzal pneumonia in 1918.
D006192:Haemophilus Infections / Q000150:complications / Q000266:history*; D006193:Haemophilus influenzae; D049673:History, 20th Century; D006801:Humans; D007251:Influenza, Human / Q000150:complications / Q000266:history*; D011014:Pneumonia / Q000150:complications / Q000266:history*