PT - JOURNAL ARTICLE AU - P Vallejo AU - R Suñol TI - MARQulS: quality improvement strategies for European cross-border healthcare AID - 10.1136/qshc.2008.032110 DP - 2009 Feb 01 TA - Quality and Safety in Health Care PG - i1--i2 VI - 18 IP - Suppl 1 4099 - http://qualitysafety.bmj.com/content/18/Suppl_1/i1.short 4100 - http://qualitysafety.bmj.com/content/18/Suppl_1/i1.full SO - Qual Saf Health Care2009 Feb 01; 18