TY - RPRT TI - Time mating guinea pigs by monitoring changes to the vaginal membrane throughout the estrus cycle and with ultrasound confirmation AU - Wilson, R. AU - Lampe, K. AU - Matushewski, B. J. AU - Regnault, T. R. AU - Jones, H. N. PY - 2020 DO - 10.1101/2020.08.21.256255 UR - https://www.biorxiv.org/content/10.1101/2020.08.21.256255v1 ID - 10.1101/2020.08.21.256255 ER -