Eileen L., a female inlfant borIi normally at full termii, was admiiitted at the age of 3 xwecks to the East Lonidon C'hildren's Hospital on May 19th, 1930. She was the first child of healthv parents. Vomitinlg after each feed, wsith increasilng constipation, had been noticed for 7 days previous to admissioln and had le(I to w-eaning anid the usual rapid successioni of proprietary foods. For 3 ...