1988 National maternal and infant health survey. Hyattsville: U.S.Department of Health and Human Services et al., 1998 39 p. 0-8406-0540-4.
1988 National maternal and infant health survey. Hyattsville: U.S.Department of Health and Human Services et al., 1998 39 p. 0-8406-0540-4.
(1998) 1988 National maternal and infant health survey, Hyattsville: U.S.Department of Health and Human Services et al. 39 p. 0-8406-0540-4.
(1998). 1988 National maternal and infant health survey. Methods and response characteristics. Hyattsville: U.S.Department of Health and Human Services et al., 39 p.
1988 National maternal and infant health survey: Methods and response characteristics. Hyattsville: U.S.Department of Health and Human Services et al.; 1998. p. 39 p. ISBN: 0-8406-0540-4.