Mycobacterium paratuberculosis Bergey et al. 1923 (Approved Lists 1980) Mycobacterium avium paratuberculosis (Bergey et al. 1923) Thorel et al. 1990 Merkal R.S. Proposal of ATCC 19698 as the Neotype Strain of Mycobacterium paratuberculosis Bergey et al. 1923 1979 29 3 263 264 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-29-3-263