Koyama, T., Kobayashi, K., Hama, T., Murakami, K., & Ogawa, R. (2016). Standardized Scalp Massage Results in Increased Hair Thickness by Inducing Stretching Forces to Dermal Papilla Cells in the Subcutaneous Tissue. Eplasty.

Koyama, Taro, Kazuhiro Kobayashi, Takanori Hama, Kasumi Murakami, and Rei Ogawa. "Standardized Scalp Massage Results in Increased Hair Thickness By Inducing Stretching Forces to Dermal Papilla Cells in the Subcutaneous Tissue." Eplasty 2016.

Koyama, Taro, et al. "Standardized Scalp Massage Results in Increased Hair Thickness By Inducing Stretching Forces to Dermal Papilla Cells in the Subcutaneous Tissue." Eplasty 2016.