title: Primary atypical pneumonia with a report of sixty cases.
authors.forename: D W
authors.initials: DW
authors.lastname: CHAPMAN
mesh_terms: D006801:Humans; D007251:Influenza, Human; D009175:Mycoplasma Infections; D011014:Pneumonia; D018410:Pneumonia, Bacterial; D011019:Pneumonia, Mycoplasma