Inhibition of growth of Asian keloid cells with human umbilical cord Wharton's jelly stem cell-conditioned medium. - Arjunan, Subramanian; Gan, Shu Uin; Choolani, Mahesh; Raj, Vaishnevi; Lim, Jane; Biswas, Arijit; Bongso, Ariff; Fong, Chui Yee (Stem Cell Research & Therapy, 2020)