Ormisson Anne, Sepp Epp, Siigur Urmas, Varendi Heili, and Mikelsaar Marika. “Impact of Early Life Nutrition on Growth and Intestinal Microflora Composition in Low-Birth-Weight Infants”. Food & Nutrition Research (December 1, 1997): 71-74. Accessed July 13, 2024. https://foodandnutritionresearch.net/index.php/fnr/article/view/83.