The Merck manual of diagnosis and therapy / Merck manual Editor Robert S.Porter, Justin L.Kaplan,Richard B.Lynn - Twentieth Edition - China : Merck Sharp, 2018. - 3529 p. 21 cm ISBN: (13 digit)978-0-911910-42-1 (10 digit)0-911-910-42-5 Subjects--Topical Terms: Medicine--Handbooks, manuals, etc.Medicine.Diagnostiek.Therapieën.Diagnose.Diagnosis.Drug Therapy. Index Terms--Genre/Form: Reference sources.Reference works.Handbooks and manuals.Reference works.Handbook.