AU - Porcari J FAU - Porcari, John P. AU - Bryant C FAU - Bryant, Cedric X. AU - Comana F FAU - Comana, Fabio TI - American Council on Exercise Fitness Certifications PT - BOOK SECTION DP - 2015 BTI - Exercise Physiology DA - 2015 Y2 - 2024/10/05 UR - fadavisat.mhmedical.com/content.aspx?aid=1157188767