AU - Beatty AL, Schiller NB, Whooley MA TI - MOderate exercise for improvement in 6-minute walk test performance in stable coronary heart disease—reply PT - JOUR DP - 2013 TA - JAMA Internal Medicine pages = {168-169}, VI - 173 IP - 2 AID - 10.1001/jamainternmed.2013.1710 [doi] 4100 - http://dx.doi.org/10.1001/jamainternmed.2013.1710 SO - JAMA Internal Medicine January 28, 2013 173(2):168