Yamanashi, Y., Teramoto, M., Morimura, N., Hirata, S., Inoue-Murayama, M., & Idani, G. (2016). Effects of Relocation and Individual and Environmental Factors on the Long-Term Stress Levels in Captive Chimpanzees (Pan troglodytes): Monitoring Hair Cortisol and Behaviors. PLoS One.

Yamanashi, Yumi, Migaku Teramoto, Naruki Morimura, Satoshi Hirata, Miho Inoue-Murayama, a Gen'ichi Idani. "Effects of Relocation and Individual and Environmental Factors On the Long-Term Stress Levels in Captive Chimpanzees (Pan Troglodytes): Monitoring Hair Cortisol and Behaviors." PLoS One 2016.

Yamanashi, Yumi, et al. "Effects of Relocation and Individual and Environmental Factors On the Long-Term Stress Levels in Captive Chimpanzees (Pan Troglodytes): Monitoring Hair Cortisol and Behaviors." PLoS One 2016.