Research ethics: From principles to practical aspects Gonzalo Solis Sánchez; Guillermo Alcalde Bezhold; Iciar Alfonso Farnós;

Telemedicine follow-ups for COVID-19: Experience in a tertiary hospital Javier Nogueira López; Carlos Grasa Lozano; Cristina Ots Ruiz; Luis Alonso García; Iker Falces-Romero; Cristina Calvo; Milagros García-López Hortelano;

Ethical and legal questions of anonymity and confidentiality in gamete donation Isolina Riaño-Galán; Carmen Martínez González; Sergio Gallego Riestra;