Cypress, Beulah K.
[Hyattsville, Md.] : [U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics], [1984]
1984
Ogden, Cynthia L., author.
Hyattsville, MD : U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 2015.
2015
Cypress, Beulah K.
[Hyattsville, Md.] : [U.S. Dept. of Health and Human Services, Public Health Service, National Center for Health Statistics], [1984]
1984