Nhung, Nguyen, 		Kien, Do, 		Hiep, Nguyen, AND 		Hanh, Nguyen.
" Evaluation the Ability to Isolate and Culture Stem Cells from Frozen Human Umbilical Cord Tissue" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 38 Number 2 (10 June 2022)