PT  - JOURNAL ARTICLE
AU  - Krcik, James A.
TI  - Performance-enhancing substances: What athletes are using
DP  - 2001 Apr 01
TA  - Cleveland Clinic Journal of Medicine
PG  - 283--302
VI  - 68
IP  - 4
4099  - http://www.ccjm.org/content/68/4/283.short
4100  - http://www.ccjm.org/content/68/4/283.full
SO  - Cleve Clin J Med2001 Apr 01; 68
AB  - Use of performance-enhancing substances is widespread among competitive athletes, whether professional or amateur, adolescent or adult. Some of these substances are legal and beneficial, but others are illegal or have adverse or unproven effects. This article describes the action and effects of these substances, their legality, and their potential for abuse.