Öhman, Susanne Georgsson, and Christina Sandberg. “Development of an Observational Instrument to Assess Gastro-Esophageal Reflux Disease in Premature Infants”. International Journal of Child Health and Nutrition 3, no. 2 (May 28, 2014): 84–92. Accessed October 6, 2024. https://lifescienceglobalca.com/index.php/ijchn/article/view/2006.