Effect of vitamin A and beta carotene supplementation on women's health.
Olsen
S F
SF
D019587:Dietary Supplements; D005260:Female; D006801:Humans; D009390:Nepal; D011247:Pregnancy; D011248:Pregnancy Complications / Q000401:mortality; D014801:Vitamin A / Q000008:administration & dosage*; D016387:Women's Health; D019207:beta Carotene / Q000008:administration & dosage*
D019207:beta Carotene; D014801:Vitamin A