Robles-Medranda Carlos, Lukashok Hannah P, Novais Paula, Biccas Beatriz, Fogaça Homero
Gastroenterology Division, University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
J Pediatr Gastroenterol Nutr. 2006 Apr;42(4):434-6. doi: 10.1097/01.mpg.0000189342.38634.ac.