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;

Dietary protein intake and asthma in US children and adolescents: a cross-sectional analysis of NHANES data Lingyu Li; Peipei Tian; Yanmei Teng; Rui Wang; Mingxiao Zhang; Qiuyu Ma;

How to identify depression and anxiety in children and adolescents Coraima A. Linan; Gibsi MP Rocha; Marta K. Lucion;