RT Journal Article SR Electronic T1 Lehrbuch der Pädiatrie JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 647 OP 648 DO 10.1136/adc.39.208.647-a VO 39 IS 208 YR 1964 UL http://adc.bmj.com/content/39/208/647.2.abstract AB