Hendriksen, CFMWoltjes, JAkkermans, AMvan de Gun, JWMarsman, FRal., et2025-03-132025-03-131994https://rivm.openrepository.com/handle/10029/635214Interlaboratory validation of in vitro serological assay systems to assess the potency of tetanus toxoid in vaccines for veterinary use.ArticleBiologicals 1994; 22:257-682025-03-13