Vitamin A status during the third trimester of pregnancy in Spanish women: influence on concentrations of vitamin A in breast milk

Ortega RM, Andrés P, Martínez RM, López-Sobaler AM. Vitamin A status during the third trimester of pregnancy in Spanish women: influence on concentrations of vitamin A in breast milk. Am J Clin Nutr. 1997; 66(3): 564-8.