Association between physical education classes and physical activity among 187,386 adolescents aged 13¿17 years from 50 low- and middle-income countries Xuzhi Zhan; Cain C.T. Clark; Ran Bao; Micheal Duncan; Jin-Tao Hong; Si-Tong Chen;

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;

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; Tufik Sergio; Claudio Arnaldo Len;