TY - RPRT TI - Comparison of a natural heparinoid with sodium and calcium heparin for their effect on the inhibitor of activated factor X. AU - P M Mannucci AU - C di Santo AU - F Franchi PY - 1976 DO - 10.1007/bf01937446 UR - https://pubmed.ncbi.nlm.nih.gov/62674/ ID - 62674 ER -