TY - RPRT TI - Is aggressive heparinization necessary for elective PTCA? AU - J H Frierson AU - A P Dimas AU - C C Simpfendorfer AU - G Pearce AU - M Miller AU - I Franco PY - 1993 DO - 10.1002/ccd.1810280403 UR - https://pubmed.ncbi.nlm.nih.gov/8462075/ ID - 8462075 ER -