Lee JY; Lee JE; Kim DK; Yoon TK; Chung HM; Lee DR (November 2008). "High concentration of synthetic serum, stepwise equilibration and slow cooling as an efficient technique for large-scale cryopreservation of human embryonic stem cells". Fertil. Steril. 93 (3): 976–85. doi:10.1016/j.fertnstert.2008.10.017. PMID19022437. Unknown parameter |displayauthors= ignored (bantuan)
Lee JY; Lee JE; Kim DK; Yoon TK; Chung HM; Lee DR (November 2008). "High concentration of synthetic serum, stepwise equilibration and slow cooling as an efficient technique for large-scale cryopreservation of human embryonic stem cells". Fertil. Steril. 93 (3): 976–85. doi:10.1016/j.fertnstert.2008.10.017. PMID19022437. Unknown parameter |displayauthors= ignored (bantuan)
Lee JY; Lee JE; Kim DK; Yoon TK; Chung HM; Lee DR (November 2008). "High concentration of synthetic serum, stepwise equilibration and slow cooling as an efficient technique for large-scale cryopreservation of human embryonic stem cells". Fertil. Steril. 93 (3): 976–85. doi:10.1016/j.fertnstert.2008.10.017. PMID19022437. Unknown parameter |displayauthors= ignored (bantuan)