Percutaneous mitral valvotomy: results in 112 cases and morphologic predictors of success
Wilkins GT, Weyman AE, Abascal VM, Choong CY, Thomas JD, Rosas E, Block PC, Palacios IF. Percutaneous mitral valvotomy: results in 112 cases and morphologic predictors of success. Austral and New Zealand J Med. 1988; 18:368.