University of Michigan
http://www.med.umich.edu/1libr/sma/sma_index.htm

American Medical Society for Sports Medicine
http://amssm.org/

American College of Sports Medicine
http://www.acsm.org/

Nicholas Institue of Sports Medicine and Athletic Trauma
http://www.nismat.org/

Virginia High School League
http://www.vhsl.org/

Gatorade Sports Science Institute
http://www.gssiweb.com/

Federation Internationale de Natation
http://www.fina.org/