Jacobs, GA., Castellazzi, A., & Dierickx, PJ. (1989). Evaluation of a Non-invasive Human and An Invitro Cyto-toxicity Method As Alternatives To the Skin Irritation Test On Rabbits. Contact Dermatitis : environmental and occupational dermatitis, 21(4), 239-244. https://doi.org/10.1111/j.1600-0536.1989.tb03202.x (Original work published 1989)