PT - JOURNAL ARTICLE AU - Erwan Donal AU - Elena Galli AU - Thierry Letourneau TI - Need for expertise in mitral valve regurgitation AID - 10.1136/openhrt-2019-001039 DP - 2019 Apr 01 TA - Open Heart PG - e001039 VI - 6 IP - 1 4099 - http://openheart.bmj.com/content/6/1/e001039.short 4100 - http://openheart.bmj.com/content/6/1/e001039.full SO - Open Heart2019 Apr 01; 6