TY - JOUR T1 - DoH Fentanyl 'very effective' pain killer JF - Daily Tribune A1 - Baron, Gabriela YR - 2024 UL - https://tuklas.up.edu.ph/Record/IPN-00000949695 KW - Fentanyl KW - Herbosa, Teodoro J. KW - Dangerous Drugs Board ER -