Newsome JR, Venkatramani R, Heczey A, Danysh HE, Fishman DS, Miloh T. Cholangiocarcinoma among children and adolescents: a review of the literature and SEER-Database analysis. J Pediatr Gastroenterol Nutr. 2018 Jan 1;66(1):e12-8. doi: 10.1097/MPG.0000000000001749
Hartman EE, Pawaskar M, Williams V, McLeod L, Dubois D, Benninga MA, Joseph A. Psychometric properties of PedsQL generic core scales for children with functional constipation in the Netherlands. J Pediatr Gastroenterol Nutr. 2014 Dec;59(6):739-47. doi: 10.1097/MPG.0000000000000527
Basarir H. Poor, multidimensionally speaking: evidence from South Africa. J Afr Econ. 2011 Jun 1;20(3):463-504. doi: 10.1093/jae/ejr001