Jacobs, M., R. Versteegen, C. Treasure, and J. Murray. “Addressing Potential Ethical Issues Regarding the Supply of Human-Derived Products or Reagents in in Vitro OECD Test Guidelines”. ALTEX - Alternatives to Animal Experimentation, Vol. 36, no. 2, Apr. 2019, pp. 163-76, doi:10.14573/altex.1901281.