title: Present status of serum therapy in pneumonia. 1939.
authors.forename: R L
authors.initials: RL
authors.lastname: Cecil
mesh_terms: D049673:History, 20th Century; D006801:Humans; D007116:Immunization, Passive / Q000266:history*; D011018:Pneumonia, Pneumococcal / Q000266:history* / Q000628:therapy