Ramesh Petchi R.; Vijaya C.; Parasuraman S.; Alagu Natchiappan; Devika GS. Anti-Arthritic Effect of Ethanolic Extract of Leaves of Vitex Negundo Linn., (Verbenaceae) in Male Albino Wistar Rats. Int. J. Res. Pharm. Sci. 2011, 2, 213-218.