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American Academy of Pediatrics: "Physical Development of School Age Children," "What's Happening to my Body?"
American Psychological Association: "Sleep deprivation may be undermining teen health."
FamilyDoctor: "For Parents: What to Expect When Your Child Goes Through Puberty."
MassGeneral Hospital for Children: "Puberty."
Max-Planck-Gesellschaft Research News: "Boys Reach Sexual Maturity Younger and Younger."
NIH: National Institute of Child Health & Human Development: "Puberty."
National Sleep Foundation: "How Much Sleep Do We Really Need?"
The Nemours Foundation: "Everything You Wanted to Know About Puberty."
Palo Alto Medical Foundation: "Puberty -- Changes for Males."
Robert Wood Johnson University Hospital: "Puberty: Adolescent Male."
U.S. Dept. of Education: "Helping Your Child Through Early Adolescence."
University of Southern California: "Adolescent Health Curriculum: Puberty – Normal Growth and Development."
Shlomo, M. Williams Textbook of Endocrinology, Saunders, 2011
Ge, X. Journal of Research on Adolescence, 2001.
Goldstein J.R. PLoS One, Aug. 17, 2011.
Marceau, K. Developmental Psychology, September 2011.
Shomaker, L.B. American Journal of Clinical Nutrition, July 2010.
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