TY - RPRT TI - Extent of coronary collateral vessel decrease with advanced age. AU - Bahattin Balci AU - Ozcan Yilmaz PY - 2004 DO - 10.2143/ac.59.4.2005210 UR - https://pubmed.ncbi.nlm.nih.gov/15368806/ ID - 15368806 ER -