ISAH, A. O.; IDU, M.; AMAECHINA, F. C. ANTINOCICEPTIVE PROPERTIES OF LEAF AQUEOUS EXTRACT OF CROSSOPTERYX FEBRIFUGA (AFZEL. EX G. DON) BENTH. FUDMA JOURNAL OF SCIENCES, v. 6, n. 5, p. 255 - 258, 31 Oct. 2022.