LEADER 00000cz 2200000n 4500 001 sh 85086296 003 DLC 005 19871013132556.0 008 860211|| anannbab| |b ana ||| 010 sh 85086296 040 DLC|cDLC|dDLC 053 RC685.V2 150 Mitral valve|xDisplacement 450 Barlow's syndrome 450 Click murmur syndrome 450 Displacement of the mitral valve 450 Floppy mitral valve syndrome 450 Mitral valve|xProlapse 450 Mitral valve prolapse 450 MVP (Heart disease) 450 Prolapse of the mitral valve