Physical activity trajectories and lung function: The 1993 Pelotas birth cohort
Fernando C. Wehrmeister, Ana Maria B. Menezes, Ludmila C. Muniz, Marcelo C. Silva, Ricardo B. Noal, Pedro C. Hallal, Rogelio Perez-Padilla
European Respiratory Journal Sep 2012, 40 (Suppl 56) 1371;