Isvari, G. A. M. P.; Hadibrata, E.; Yunianto, A. E.; Susianti. The Effect Of Black Pepper (Piper Nigrum L) Extract on Male White Rat (Rattus Norvegicus) Libido (Sexual Behavior) With Diabetes Mellitus. méd. prof. j. of Lampung 2025, 14, 1707-1712.