TY - RPRT TI - Minimally invasive valve operations. AU - D M Cosgrove AU - J F Sabik AU - J L Navia PY - 1998 DO - 10.1016/s0003-4975(98)00300-2 UR - https://pubmed.ncbi.nlm.nih.gov/9647054/ ID - 9647054 ER -