RT Journal Article SR Electronic T1 Letter: Infantile hypertrophic pyloric stenosis. JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 907 OP 907 DO 10.1136/adc.50.11.907 VO 50 IS 11 A1 W D Cochran YR 1975 UL http://adc.bmj.com/content/50/11/907.1.abstract AB