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The Keio Journal of Medicine|October 1, 2010
Clinical research in Japan: past, present and futureYuji Sato, Keisuke KoyamaThe Journal of Reproduction and Development|June 30, 2020
Relationship between sire predicted transmitting ability for daughter pregnancy rate and daughter's reproductive performance and milk production in Japanese dairy herdsKeisuke Koyama, Takayoshi TakahashiThe Journal of Reproduction and Development|October 10, 2018
Repeatability of antral follicle count according parity in dairy cowsKeisuke Koyama, Takeshi Koyama, Masahito SugimotoReproduction in Domestic Animals = Zuchthygiene|April 20, 2023
Parity affects the relationship between the insemination-ovulation interval and the conception rate in lactating dairy cowsKeisuke Koyama, Tomoaki Kubo, Takeshi Koyama, et al.Frontiers in Robotics and AI|August 5, 2026
IonPad adhesive gripper with variable-stiffness endoskeletonYuno Takitani, Keisuke Koyama, Weiwei Wan, et al.Theriogenology|July 15, 2023
Predicting nuclear maturation speed of oocytes from Japanese Black beef heifers through non-invasive observations during IVM: An attempt using machine learning algorithmsThomas Chia-Tang Ho, Noritoshi Kawate, Keisuke KoyamaTheriogenology|July 29, 2018
Optimization of diagnostic methods and criteria of endometritis for various postpartum days to evaluate infertility in dairy cowsTakeshi Koyama, Ryosuke Omori, Keisuke Koyama, et al.Molecular Reproduction and Development|November 19, 2025
Extended In Vitro Maturation Enhances Oocyte Developmental Competence but Alters Gene Expression in Bovine Embryos Derived From Oocytes With Slow-Predicted Nuclear Maturation SpeedThomas Chia-Tang Ho, Takashi Tanida, Takashi Fujii, et al.Biological & Pharmaceutical Bulletin|March 7, 2015
Nucleolin is a receptor for maleylated-bovine serum albumin on macrophagesYuichi Miki, Keisuke Koyama, Haruna Kurusu, et al.Internal Medicine (Tokyo, Japan)|December 12, 2017
Posterior Reversible Encephalopathy Syndrome after Lenvatinib Therapy in a Patient with Anaplastic Thyroid CarcinomaYoko Osawa, Rikako Gozawa, Keisuke Koyama, et al.Pageof 4