UmarS.; IbrahimS. I.; NamadinaM. M.; AhmedA.; AbdullahiB. S. INHIBITORY ACTIVITY OF LUPEOL FROM Cryptolepis Oblongifolia (MEINS) SCHLTR ON PARTIALLY PURIFIED PHOSPHOLIAPASE A2 VENOM OF Naja Nigricollis (ELAPIDAE). FJS 2023, 7, 79 - 83.