?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Diego+Ren%C3%A9&rft.au=De+Le%C3%B3n+Ruiz%2C+Diego+Ren%C3%A9&rft.aulast=De+Le%C3%B3n+Ruiz&rft.date=30+Abril+2022&rft.degree=Masters&rft.title=T%C3%A9cnicas+de+Reproducci%C3%B3n+Asistida+en+Guatemala+durante+los+a%C3%B1os+2016+a+2020