Textbook of pediatrics. Nelson essentials of pediatrics, 1989: CIP t.p. (Robert Kliegman, Dept. of Ped., Case Western Reserve Univ. Sch. of Med., Cleveland, Ohio) book pref. (Robert M. Kliegman)

Nelson essentials of pediatrics, c2011: t.p. (Robert M. Kliegman, MD; Prof. and Chair, Dept. of Pediatrics, Medical College of Wisconsin; Pediatrician-in-Chief, Pamela and Leslie Muma Chair in Pediatrics, Children's Hospital of Wisconsin, Milwaukee)