Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy & Institute of Medicine (U.S.). Subcommittee on Dietary Intake and Nutrient Supplements during Pregnancy. (1990). Nutrition during pregnancy: Part I, weight gain : part II, nutrient supplements. National Academy Press.

Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy and Institute of Medicine (U.S.). Subcommittee on Dietary Intake and Nutrient Supplements during Pregnancy. Nutrition During Pregnancy: Part I, Weight Gain : Part II, Nutrient Supplements. Washington, D.C.: National Academy Press, 1990.

Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy and Institute of Medicine (U.S.). Subcommittee on Dietary Intake and Nutrient Supplements during Pregnancy. Nutrition During Pregnancy: Part I, Weight Gain : Part II, Nutrient Supplements. National Academy Press, 1990.