Prevalence and factors associated with bullying: differences between the roles of bullies and victims of bullying Georgia Rodrigues Reis e Silva; Maria Luiza Carvalho de Lima; Raquel Moura Lins Acioli; Alice Kelly Barreira;

Prevalence of constipation in cystic fibrosis patients: a systematic review of observational studies Marina A. Stefano; Rosana E. Poderoso; Jochen G. Mainz; Jose D. Ribeiro; Antonio F. Ribeiro; Elizete Aparecida Lomazi;

Evaluation of the measurement properties of the Brazilian version of two quality¿of¿life questionnaires in food allergy ¿ for children and their parents Raquel Bicudo Mendonça; Dirceu Solé; Audrey DunnGalvin; Claudio Arnaldo Len; Roseli Oselka Saccardo Sarni;