TY - RPRT TI - A hypothalamic dynorphin-KOR pathway that orchestrates male sexual behavior under sexual competition AU - Lyu, Q. AU - Zheng, Y. AU - Ma, X. AU - Yin, L. PY - 2026 DO - 10.64898/2026.09.01.748525 UR - https://www.biorxiv.org/content/10.64898/2026.09.01.748525v1 ID - 10.64898/2026.09.01.748525 ER -