Jagne, S. “Hospital-Based Pre-Vaccination Surveillance of Rotavirus Gastroenteritis Disease in Infants Less Than 5 Years of Age in the Gambia: 2011-2014”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 20, no. 1, Jan. 2015, pp. 129-38, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3383.