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). FUDMA JOURNAL OF SCIENCES, v. 7, n. 1, p. 79 - 83, 28 Feb. 2023.