by Chover Lara, J.L., Gallardo Bravo, J.A., Guerrero Cerdá, C., Gutiérrez Valverde, J., Huertas Zarco, I., De Juan García, S., Pereiro Berenguer, I., Roig Sena, J., Salazar Cifre, A.
Published in Gaceta sanitaria (1997)