PT - JOURNAL ARTICLE AU - R Grol AU - R Baker AU - F Moss TI - Quality improvement research: understanding the science of change in health care AID - 10.1136/qhc.11.2.110 DP - 2002 Jun 01 TA - Quality and Safety in Health Care PG - 110--111 VI - 11 IP - 2 4099 - http://qualitysafety.bmj.com/content/11/2/110.short 4100 - http://qualitysafety.bmj.com/content/11/2/110.full SO - Qual Saf Health Care2002 Jun 01; 11