Dr.Yearul Kabir3, Dr. Nurul Absar4 *Md. M. U. P. R. pervin2,. PRELIMINARY SCREENING OF SECONDARY METABOLITES AND BRINE SHRIMP LETHALITY BIOASSAY OF WARM-WATER EXTRACT OF PUFFER FISH ORGANS TISSUES, TETRAODON CUTCUTIA, AVAILABLE IN BANGLADESH. JBPR 2013, 2.