Medicine: Retarded Infants

Mary Ann Gibson, born in Los Angeles six months ago, took her .formula contentedly, like any normal infant. Her father, William Gibson. 31, a plumber, thought his child was doing just fine. But his wife knew better: Louise Gibson, 23, had given birth to four children by a previous marriage, and realized that Mary Ann, for all her being a "good baby," was not normal. She was dwarfish and weak.

Two months ago, when Mary Ann developed a cold and fever, the Gibsons' family doctor advised the parents to take her to Los Angeles' Childrens...