Authors: Pallas, J Levine, SB Althof, SE Risen, CB

Citation: J. Pallas et al., A study using Viagra in a mental health practice, J SEX MAR T, 26(1), 2000, pp. 41-50

Authors: Pallas, J Farinas-Alvarez, C Prieto, D Llorca, J Delgado-Rodriguez, M

Citation: J. Pallas et al., Risk factors for monoinfections and coinfections with HIV, hepatitis B andhepatitis C viruses in northern Spanish prisoners, EPIDEM INFE, 123(1), 1999, pp. 95-102