TY - JOUR T1 - Health benefits of physical activity JF - Canadian Medical Association Journal JO - CMAJ SP - 776 LP - 776 DO - 10.1503/cmaj.1060094 VL - 175 IS - 7 AU - Giuseppe Lippi AU - Federico Schena AU - Gian Cesare Guidi Y1 - 2006/09/26 UR - http://www.cmaj.ca/content/175/7/776.1.abstract ER -