TY - RPRT TI - Neutralizing antibodies to interferon beta in multiple sclerosis: analytical evaluation for validation of a cytopathic effect assay. AU - Catherine Massart AU - Jacqueline Gibassier AU - Joël Oger AU - Emmanuelle Le Page AU - Gilles Edan PY - 2006 DO - 10.1016/j.cca.2006.09.021 UR - https://pubmed.ncbi.nlm.nih.gov/17123498/ ID - 17123498 ER -