TY - BOOK T1 - Understanding fitness :how exercise fuels health and fights disease / DA - 2008. CY - Westport, Conn. : AU - Silver, J. K. AU - Morin, Christopher, CN - RA781 CN - RA781 PB - Praeger, PP - Westport, Conn. : PY - 2008. ID - 316824 KW - Physical fitness. KW - Exercise SN - 9780275994945 (alk. paper) SN - 0275994945 (alk. paper) TI - Understanding fitness :how exercise fuels health and fights disease / ER -