TY - RPRT TI - Accessory mitral valve tissue causing left ventricular outflow tract obstruction. AU - W G Meldrum-Hanna AU - T B Cartmill AU - R E Hawker AU - J M Celermajer AU - C M Wright PY - 1986 DO - 10.1136/hrt.55.4.376 UR - https://pubmed.ncbi.nlm.nih.gov/3964505/ ID - 3964505 ER -