A multilevel analysis of health-related physical fitness. The Portuguese sibling study on growth, fitness, lifestyle and health.
Pereira S, Todd Katzmarzyk P, Gomes TN, Souza M, Chaves RN, Dos Santos FK, Santos D, Hedeker D, Maia J. A multilevel analysis of health-related physical fitness. The Portuguese sibling study on growth, fitness, lifestyle and health. PLoS One. 2017; 12(2):e0172013.