title: Comparative study of the morphology of the Czechoslovak and Danish BCG vaccine strain.
mesh_terms: D001500:BCG Vaccine; D001431:Bacteriological Techniques; D003604:Czechoslovakia; D003718:Denmark; D008854:Microscopy, Electron; D009163:Mycobacterium bovis / Q000166:cytology*
chemical_list: D001500:BCG Vaccine