1. Taymor M, Ranoux C, Gross G. Natural oocyte retrieval with intravaginal fertilization: a simplified approach to in vitro fertilization. Obstet Gynecol. 1992;80:888–91.
2. Ranoux C, Foulot H, Aubriot FX, Poirot C, Dubuisson JB, Chevallier O, Cardone V. A new in vitro fertilization technique: intravaginal culture. Fertil Steril. 1988;49:654–7.
3. Frydman R, Ranoux C. INVO: a simple, low cost effective assisted reproductive technology. ESHRE Monographs, Special task force on ‘Developing countries and infertility’. Hum Reprod. 2008;163:85–9.
4. Fukuda M, Fukuda K, Ranoux C. Unexpected low oxygen tension of intravaginal culture. Hum Reprod. 1996;11:1293–5.
5. Sterzik K, Rosenbusch B, Sasse V, Wolf A, Beier HM, Lauritzen C. A new variation of in vitro fertilization: intravaginal culture of human oocytes and cleavage stages. Hum Reprod Suppl. 1989;4(8 Suppl):83–6.