1899- The Merck manual of diagnosis and therapy / editors, Robert S. Porter and Justin L. Kaplan - 19th ed. - Whitehouse Station, NJ : Merck Sharp & Dohme Corp. 2011 - xxxii, 3754p. : col. ill. ; 22cm. Include index Mode of access: World Wide Web. ISBN: 9780911910193 LCCN: 131760 Subjects--Topical Terms: Medicine--Handbooks, manuals, etc. LC Class. No.: RC55 / .M47 2011