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;

Sleep and restless legs syndrome in female adolescents with idiopathic musculoskeletal pain Rita Aparecida Ribeiro Amorim; Gustavo A. Moreira; Flavia Heloisa Santos; Maria Teresa Terreri; Juliana Molina; Lívia de Freitas Keppeke; Simone Guerra Lopes da Silva; Melissa Mariti Fraga; Vanessa Bugni Miotto e Silva; Sergio Tufik; Claudio Arnaldo Len;

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;