Biochemistry 23(20), pp.4557–4564; DOI 10.1021/bi00315a008. Publisher record pubs.acs.org/doi/abs/10.1021/bi00315a008 confirms issue date 25 September 1984. Abstract: bovine prothrombin, phospholipid vesicles, factor Va manipulation and apparent kinetic parameters; 0.04 versus 2.2 micromolar Km for the stated vesicle mixture. Initials follow PubMed; publisher gives the longer byline.