WIDOWATI, W.; JASAPUTRA, D. K.; ONGGOWIDJAJA, P.; SUMITRO, S. B.; WIDODO, M. A.; AFIFAH, E.; RIHIBIHA, D. D.; RIZAL, R.; AMALIA, A.; KUSUMA, H. S. W.; MURTI, H.; BACHTIAR, I. Effects of Conditioned Medium of Co-Culture IL-2 Induced NK Cells and Human Wharton’s Jelly Mesenchymal Stem Cells (hWJMSCs) on Apoptotic Gene Expression in a Breast Cancer Cell Line (MCF-7). Journal of Mathematical and Fundamental Sciences, v. 51, n. 3, p. 205-224, 31 Dec. 2019.