Thakur, A., Mishra, S., Pena, J., Zhou, J., Redenti, S., Majeska, R., & Vazquez, M. (1969). Collective adhesion and displacement of retinal progenitor cells upon extracellular matrix substrates of transplantable biomaterials. Journal of Tissue Engineering, 9, 2041731417751286. https://doi.org/10.1177/2041731417751286 (Original work published 1969)