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5. Cumulative index of hospital literature

nlm:nlmuid-60120460R-root

12. Pneumonia

nlm:nlmuid-101584575X102-doc

28. Letter from Peyton Rous to Oswald T. Avery

nlm:nlmuid-101584575X126-doc

38. Letter from Percival Hartley to Henry Dale

nlm:nlmuid-101584575X138-doc

52. The Lasker Awards for 1947

nlm:nlmuid-101584575X210-doc

63. Beitrage zur Variabilitat der Pneumokokken

nlm:nlmuid-101584575X28-doc