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
Caso P, Sutherland GR, Fleming A, McDicken WN. Doppler tissue imaging: current status and future prospects. G Ital Cardiol. 1995 May 1;25(5):639-47.