TY - JOUR TI - Mortality rate of Convict Cichlid Cichlasoma nigrofasciatum and Guppy Poecilia reticulata Using of 17 alpha-Methyl Testosterone JO - Journal of Veterinary Clinical and Laboratory Research(JLACSR) VL - 3 IS - 9 SP - 45 EP - 50 PY - 2009 DO - ER -