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Authors: Castilla, J Barrio, G Belza, MJ de la Fuente, L

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Citation: J. Ballesteros et al., Low seroincidence and decrease in seroprevalence of HIV among female prostitutes in Madrid, AIDS, 13(9), 1999, pp. 1143-1144

Authors: Castilla, J Barrio, G de la Fuente, L Belza, MJ

Citation: J. Castilla et al., Sexual behaviour and condom use in the general population of Spain, 1996, AIDS CARE, 10(6), 1998, pp. 667-676