Media type: E-Article Title: Whey Protein/Casein Ratio and Nonprotein Nitrogen in Preterm Human Milk During the First 10 Days Postpartum Contributor: Sánchez-Hidalgo, Víctor Manuel; Flores-Huerta, Samuel; Matute, Guadalupe; Serrano, Claudia; Urquieta, Bárbara; Espinosa, Rocío imprint: Wiley, 1998 Published in: Journal of Pediatric Gastroenterology & Nutrition Language: English DOI: 10.1097/00005176-199801000-00011 ISSN: 0277-2116 Keywords: Gastroenterology ; Pediatrics, Perinatology and Child Health Origination: Footnote: Access State: Open Access