Westdijk, Jvan den IJssel, JThalen, MBeuvery, CJiskoot, W2025-03-142025-03-141997https://rivm.openrepository.com/handle/10029/637117Quantification of cell-associated and free antigens in Bordetella pertussis suspension by antigen binding ELISA.ArticleJ Immunoassay 1997; 18:267-842025-03-14