Chloride and sodium ion concentrations in saliva and sweat as a method to diagnose cystic fibrosis Aline Cristina Gonçalves, Fernando Augusto Lima Marson, Regina Maria Holanda Mendonça, Carmen Sílvia Bertuzzo, Ilma Aparecida Paschoal, José Dirceu Ribeiro, Antônio Fernando Ribeiro, Carlos Emílio Levy

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

Distal intestinal obstruction syndrome: a diagnostic and therapeutic challenge in cystic fibrosis Natascha S. Sandy, Lilian H.P. Massabki, Aline C. Gonçalves, Antonio F. Ribeiro, Jose D. Ribeiro, Maria de Fátima C.P. Servidoni, Elizete A. Lomazi