P, RigsbyIson, CM, BrierleyR, BallardHJ, HagedornDA, LewisNotermans, DWrivmJ, RiisP, RobertsonIJ, SeppalaRijpkema, S2025-03-192025-03-19200919375942https://rivm.openrepository.com/handle/10029/643626Evaluation of two human plasma pools as candidate international standard preparations for syphilitic antibodiesArticleBiologicals 2009; 37(4):245-512025-03-19