Author
National Center for Health Statistics (U.S.)
4
National Center for Health Statistics (U.S.),
3
Blackwell, Debra L.
2
National Health Interview Survey (U.S.)
2
Blumberg, Stephen J.,
1
Dawson, Deborah A.
1
Dawson, Deborah A.,
1
National Health Interview Survey (U.S.),
1
National Health Interview Survey on Child Health (U.S.)
1
Roberts, Jean, 1918-
1
Tonthat, Luong
1