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;

Cross-cultural adaptation and validation of the CFAbd-Score for gastrointestinal symptoms in patients with cystic fibrosis Flávia N.S. Infante; Elizete A. Lomazi; Carlos Zagoya; Franziska Duckstein; Daniela O. Magro; Fernando Pessotto; Antônio F. Ribeiro; José D. Ribeiro; Jochen G. Mainz;

Abdominal complications of ascariasis in childhood Ivonete Siviero; Ugo V.B. de Almeida; Claudia R.R. Penna; Elazir B.M. Di Puglia; Betina C. Bertrand Simões;