Physical Activity and Screen Time in Adolescents and Their Friends
Sirard, John R., PhD, Bruening, Meg, PhD, MPH, RD, Wall, Melanie M., PhD, Eisenberg, Marla E., ScD, MPH, Kim, Sun K., PhD, Neumark-Sztainer, Dianne, PhD, MPH, RD
Published in American journal of preventive medicine (2013)
Published in American journal of preventive medicine (2013)
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