Sauer, MV; Paulson, RJ (Nov 1990). "Human Oocyte and Preembryo Donation: an Evolving Method for the Treatment of Infertility". Am J Obstet Gynecol. 163 (5): 1421–1424. doi:10.1016/0002-9378(90)90599-3. PMID2240081.
Van Steirteghem, AC; Van den Abbeel, E; Braeckmans, P; et al. (1987). "Pregnancy With a Frozen-thawed Embryo in a Woman With Primary Ovarian Failure". NEJM. 317 (2): 113. doi:10.1056/nejm198707093170210. PMID3587321.
Hug, K. (2008). "Motivation to donate or not donate surplus embryos for stem-cell research: Literature review". Fertility and Sterility. 89 (2): 263–277. doi:10.1016/j.fertnstert.2007.09.017. PMID18166188.
Sauer, MV; Paulson, RJ (Nov 1990). "Human Oocyte and Preembryo Donation: an Evolving Method for the Treatment of Infertility". Am J Obstet Gynecol. 163 (5): 1421–1424. doi:10.1016/0002-9378(90)90599-3. PMID2240081.
Van Steirteghem, AC; Van den Abbeel, E; Braeckmans, P; et al. (1987). "Pregnancy With a Frozen-thawed Embryo in a Woman With Primary Ovarian Failure". NEJM. 317 (2): 113. doi:10.1056/nejm198707093170210. PMID3587321.
Hug, K. (2008). "Motivation to donate or not donate surplus embryos for stem-cell research: Literature review". Fertility and Sterility. 89 (2): 263–277. doi:10.1016/j.fertnstert.2007.09.017. PMID18166188.