Human immunodeficiency virus antibody testing in women 15-44 years of age : United States, 1990

by Wilson, Jacqueline B.
Published: [U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics], 1993

Smoking behavior of recent mothers, 18-44 years of age, before and after pregnancy : United States, 1990

by LeClere, Felicia B.
Published: U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 1997