title: Conservation of Mycobacterium leprae in liquid nitrogen.
mesh_terms: D001431:Bacteriological Techniques; D003470:Culture Media; D004121:Dimethyl Sulfoxide; D005615:Freezing; D008722:Methods; D009166:Mycobacterium leprae; D009584:Nitrogen; D011309:Preservation, Biological; D013997:Time Factors
chemical_list: D003470:Culture Media; D009584:Nitrogen; D004121:Dimethyl Sulfoxide