TY - JOUR T1 - Killer toxin of Saccharomyces cerevisiae Y500-4L active against Fleischmann and Itaiquara commercial brands of yeast JO - Revista de Microbiologia A1 - Soares, Giselle A.M. A1 - Sato, Hélia H. SN - 0001-3714 UL - 10.1590/S0001-37141999000300012 VL - 30 Y1 - 1999 PB - Brasil ER -