Kliegman, Robert M. Nelson textbook of pediatrics / volume 2. Robert M. Kliegman, MD, Joseph W. St Geme III, MD, Nathan J. Blum, MD. - 21st edition. - Philadelphia : Elsevier, 2020. - lxxv, (1901-3827) p. ISBN: 978-0-323-56890-6 (ie) 9780323529501 (alk. paper) Subjects--Topical Terms: Paediatrics. Index Terms--Curriculum Objective: PED Dewey Class. No.: 618.92