PT - JOURNAL ARTICLE AU - Michelle Ko AU - Andrew B Bindman TI - No man is an island: disentangling multilevel effects in health services research AID - 10.1136/bmjqs-2013-002591 DP - 2014 Mar 01 TA - BMJ Quality & Safety PG - 177--179 VI - 23 IP - 3 4099 - http://qualitysafety.bmj.com/content/23/3/177.short 4100 - http://qualitysafety.bmj.com/content/23/3/177.full SO - BMJ Qual Saf2014 Mar 01; 23