Validation of maturity offset in a longitudinal sample of Polish boys. Kozieł SM. RM Malina, SM Kozieł - Journal of Sports Sciences, 2014 - Taylor & Francis GSID: q0k5fQRK6s0J
Why are girls less physically active than boys? Findings from the LOOK longitudinal study. [No authors listed] GSID: fTwy7paq_HYJ