Vitamin A status of low-income pregnant women in Iowa as assessed by the modified relative dose-response.
Duitsman
P K
PK
Department of Biochemistry and Biophysics, Iowa State University, Ames 50011.
Tanumihardjo
S A
SA
Cook
L
L
Olson
J A
JA
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007484:Iowa; D009752:Nutritional Status; D011203:Poverty; D011247:Pregnancy; D014801:Vitamin A / Q000097:blood*
D014801:Vitamin A