S. Sarfaraz, R. Najam, and A. Sarfaraz, “CNS DEPRESSANT, SEDATIVE AND ANXIOLYTIC ACTIVITY OF ETHANOLIC EXTRACT OF FRUIT OF PIPER CHABA REVEALED AFTER NEUROPHARMACOLOGICAL SCREENING”, Int J Pharm Pharm Sci, vol. 6, no. 11, pp. 186–189, Nov. 2014.