Foucault, P. ., Carreau, S. ., Kuczynski, W. ., Guillaumin, J. ., Bardos, P. ., & Drosdowsky, M. . (1969). Human Sertoli cells in vitro. Lactate, estradiol-17 beta and transferrin production. Journal of Andrology, 13(5), 361-7. Retrieved from https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0196-3635&date=1992&volume=13&issue=5&spage=361 (Original work published 1969)