Mathiowetz, Nancy A., author.
Hyattsville, Md. : U.S. Department of Health and Human Services, Public Health Service, National Center for Health Statistics, 1987.
1987
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics ; [Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O., 2005]
2005