Greenstein, Robert, Peter S. Fam, MSc, & Sheldon T. Brown, MD. " Failure of a proprietary fluorescent in situ hybridization assay to detect M. avium subspecies paratuberculosis in archived frozen brain from patients with Multiple Sclerosis." Medical Research Archives [Online], 12.11 (2024): n. pag. Web. 7 Apr. 2025