Bacillus thuringiensis subsp. oswaldocruzi and Bacillus thuringiensis subsp. brasiliensis, two novel Brazilian strains which determine new serotype H38 and H39, respectively Leia mais sobre Bacillus thuringiensis subsp. oswaldocruzi and Bacillus thuringiensis subsp. brasiliensis, two novel Brazilian strains which determine new serotype H38 and H39, respectively