Cardiometabolic risk in adolescents: associations with physical activity, fitness, and sleep
Annals of Behavioral Medicine (2013) - Comment
pubmed: 23080394  doi: 10.1007/s12160-012-9428-8  issn: 1532-4796  issn: 0883-6612 

Amanda J. Countryman, Patrice G. Saab, Maria M. Llabre, Frank J. Penedo, Judith R. McCalla, Neil Schneiderman