TY - JOUR AN - 13 AU - Folts,J.D. AU - Gallagher,K.O. AU - Kroncke,G.M. TI - Myocardial revascularization of the canine circumflex coronary artery using retrograde internal mammary artery flow without cardiopulmonary bypass JO - Ann Thorac Surg PY - 1981 VL - 31 SP - 21-27 M2 - 21 ER -