TY - JOUR T1 - Case 4/2018 – Important Mitral Valve Regurgitation Caused by Hammock Mitral Valve in 8 Year-Old Girl JO - Arquivos Brasileiros de Cardiologia A1 - Atik, Edmar A1 - Barreto, Alessandra Costa A1 - Binotto, Maria Angélica A1 - Cassar, Renata de Sá SN - 0066-782X UL - 10.5935/abc.20180128 VL - 111 Y1 - 2018 PB - Brasil ER -