%0 Journal Article %A Erwan Donal %A Elena Galli %A Thierry Letourneau %T Need for expertise in mitral valve regurgitation %D 2019 %R 10.1136/openhrt-2019-001039 %J Open Heart %P e001039 %V 6 %N 1 %U https://openheart.bmj.com/content/openhrt/6/1/e001039.full.pdf