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  1. Open versus closed systems for vitrification of human oocytes and embryos. Vajta G, Rienzi L, Ubaldi FM. | Reprod Biomed Online. 2015 Apr; 30 (4):325-33.
  2. Vitrification in human and domestic animal embryology: work in progress. Vajta G. | Reprod Fertil Dev. 2013; 25 (5):719-27.
  3. Vitrification in assisted reproduction: myths, mistakes, disbeliefs and confusion. Vajta G, Nagy ZP, Cobo A, Conceicao J, Yovich J. | Reprod Biomed Online. 2009;19 Suppl 3:1-7
Open Pulled Straw (OPS):
  1. Vajta G., Holm P., Kuwayama, M., Booth P. J., Jacobsen H., Greve T., Callesen H. Open pulled straw (OPS) vitrification: A new way to reduce cryoinjuries of bovine ova and embryos. Molecular Reproduction and Development, 1998, 51(1): 53-58.
  2. Kuleshova L., Gianaroli L., Magli C. Ferraretti A., Trounson A. Birth following vitrification of a small number of human oocytes: Case Report. Human Reproduction, 1999; 14(12): 3077–3079.
  3. Vieira, A., Mezzalira, A., Barbieri, D., Lehmkuhl, R., Rubin, M. I., & Vajta, G. (2002). Calves born after open pulled straw vitrification of immature bovine oocytes. Cryobiology, 45(1), 91–94.
  4. Reubinoff, B. E., Pera, M. F., Vajta, G., & Trounson, A. O. (2001). Effective cryopreservation of human embryonic stem cells by the open pulled straw vitrification method. Human Reproduction, 16(10), 2187–2194.