Trophic Effects of Dental Pulp Stem Cells on Schwann Cells in Peripheral Nerve Regeneration oleh Tsubasa Yamamoto, Yohei Osako, Masataka Ito, Masashi Murakami, Yuki Hayashi, Hiroshi Horibe, Koichiro Iohara, Norio Takeuchi, Nobuyuki Okui, Hitoshi Hirata, Hidenori Nakayama, Kenichi Kurita, Misako Nakashima D.D.S, Ph.D.