RT Journal Article SR Electronic T1 Will This Exercise Be Good Enough? JF The Journal of the American Board of Family Medicine JO J Am Board Fam Med FD American Board of Family Medicine SP 98 OP 99 DO 10.3122/jabfm.2007.01.060158 VO 20 IS 1 A1 Marasinghe, Jeevan P. A1 Amarasinghe, A. A. YR 2007 UL http://www.jabfm.org/content/20/1/98.abstract AB