TY - JOUR T1 - Ergosterol biosynthesis and drug development for Chagas disease JO - Memórias do Instituto Oswaldo Cruz A1 - Urbina, Julio A SN - 0074-0276 UL - 10.1590/S0074-02762009000900041 VL - 104 Y1 - 2009 PB - Brazil ER -