TY - RPRT TI - Low-dose heparin in postoperative patients: a prospective, coded study. AU - T H Covey AU - L Sherman AU - A E Baue PY - 1975 DO - 10.1001/archsurg.1975.01360140165032 UR - https://pubmed.ncbi.nlm.nih.gov/1100014/ ID - 1100014 ER -