TY - RPRT TI - A circulating anticoagulant against factor V. AU - I M Nilsson AU - U Hedner AU - M Ekberg AU - T Denneberg DO - 10.1111/j.0954-6820.1974.tb08099.x UR - https://pubmed.ncbi.nlm.nih.gov/4817095/ ID - 4817095 ER -