1. Yuko, E. (2016). The first artificial insemination was an ethical nightmare in the Atlantic. Retrieved October 6, 2017, from https://www.theatlantic.com/health/archive/2016/01/first-artificial-insemination/423198/.
2. Steptoe, P. C., & Edwards, R. G. (1978). Birth after the reimplantation of a human embryo. Lancet, 2(8085), 366.
3. Johnson, M. H., et al. (2010). Why the Medical Research Council refused Robert Edwards and Patrick Steptoe support for research on human conception in 1971. Human Reproduction, 25(9), 2157–2174.
4. Benagiano, G., et al. (2011). Robert G Edwards and the Roman Catholic Church. Reproduction Biomedicine Online, 22(7), 665–672.
5. Norcross, S. (2018, July 3). Eight million ART babies and counting. BioNews. Retrieved October 23, 2019, from https://www.bionews.org.uk/page_136862.