by Hebert, Kathy, Lopez, Barbara, Macedo, Francisco Yuri Bulcao, Gomes, Conrado Rios, Urena, Johan, Arcement, Lee M
Published in Journal of sexual medicine (01.07.2009)

by Johan Umaña y Diego Ureña
Published in Nación (San José, Costa Rica) (18.02.2013)

by Johan Umaña y Diego Ureña
Published in Nación (San José, Costa Rica) (11.02.2013)

by Johan Umaña y Diego Ureña
Published in Nación (San José, Costa Rica) (11.02.2013)

by Johan Umaña y Diego Ureña
Published in Nación (San José, Costa Rica) (24.01.2013)