[Drugs and nutritional supplements in sports: use and abuse. The sports physician's point of view].
Levizzani
G
G
Medico Sportivo, Milan, Italy.
D000293:Adolescent; D000367:Age Factors; D001265:Athletic Injuries / Q000517:prevention & control; D019587:Dietary Supplements; D004300:Doping in Sports; D006801:Humans; D007558:Italy; D013177:Sports; D013178:Sports Medicine