1. Alsharif, M.J., Labonté, R., Zuxun, L., 2011. “Patients beyond borders: a study of medical tourists in four countries”, in Global Social Policy, vol. 10, n° 3, (315–335).
2. Is the human embryo legally defined and protected? Causes and consequences;Aluas;Romanian Journal of Morphology and Embryology,2017
3. American Society for Reproductive Medicine, 2006. Elements to be considered in obtaining informed consent for ART, in Fertility and Sterility, Volume 86, Issue 5, Supplement, (s272–s273).
4. Donor anonymity, or the right to know one's origins?;Amorós;Butlletí del Comitè de Bioètica de Catalunya,2015
5. Nonsurgical ovum transfer as a treatment in Infertil women;Bustillo;Journal of the American Medical Association,1984