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, 1991]
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[Hyattsville, Md.] [U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 1998].
1998