title: Strain diversity of Mycobacterium tuberculosis.
authors.forename: L V
authors.initials: LV
authors.lastname: Sacks
mesh_terms: D014644:Genetic Variation; D006801:Humans; D009161:Mycobacterium / Q000235:genetics*; D009169:Mycobacterium tuberculosis / Q000821:virology*; D013019:South Africa