Bethesda, Md. | Washington U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health, National Institute of Child Health and Human Development | for sale by the Supt. of Docs., U.S. Govt. Print. Off. 1975 .
xvii, 286 p. , Sponsored by the National Institute of Child Health and Human Development. | Includes index.

Bethesda, Md. U.S. National Institute of Child Health and Human Development; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington 1973 .
xii, 125 p.. , Sponsored by the National Institute of Child Health and Human Development.