The Merck manual of diagnosis and therapyMerck & Co., Merck Sharp & Dohme., Merck Research Laboratories1950
The Merck Manual Of Diagnosis And Therapy Fifteenth EditionRobert Berkow, Andrew J Fletcher & 2 more1987PDF267 MB
The Merck Manual of Diagnosis and Therapy, 18th EditionMark H. Beers, Robert S. Porter, Thomas V. Jones2006PDF265 MB
Merck's Index - An Encyclopedia for the Chemist, Pharmacist and Physician, Fourth EditionMerck1930PDF52 MBEN