de Costa, Caroline (September 2013). "Dr Robert Proust: A Gynaecologist's Contribution to World Literature". European Journal of Obstetrics, Gynecology, and Reproductive Biology. 170 (1): 47–49. doi:10.1016/j.ejogrb.2013.06.008. ISSN1872-7654. PMID23820137.(subscription required)
de Costa, Caroline (September 2013). "Dr Robert Proust: A Gynaecologist's Contribution to World Literature". European Journal of Obstetrics, Gynecology, and Reproductive Biology. 170 (1): 47–49. doi:10.1016/j.ejogrb.2013.06.008. ISSN1872-7654. PMID23820137.(subscription required)
de Costa, Caroline (September 2013). "Dr Robert Proust: A Gynaecologist's Contribution to World Literature". European Journal of Obstetrics, Gynecology, and Reproductive Biology. 170 (1): 47–49. doi:10.1016/j.ejogrb.2013.06.008. ISSN1872-7654. PMID23820137.(subscription required)