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Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1981.
1981
Sekscenski, E.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics ; [Washington, D.C. : Supt. of Docs., U.S. G.P.O., distributor], 1990.
1990
Hing, Esther.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics, [1989]
1989
Hing, Esther.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics, 1989.
1989
