Baba, K., 		Sugimoto, Y., 		Moriyama, K., 		Kumazawa, K., 		Sugimoto, T., 		Yamazaki, Y., & 		Takeda, A.
2024 Oct 22.  Long-term cryopreserved umbilical cord derived mesenchymal stem cells: A study on their safety. Medical Research Archives. [Online] 12:10