Gómez, J. F. B.; Appolinário, M. A.; Abreu, D. M.; Castro, A. J.; Martí, J.; Prates, S.; Santos, C. dos. Comparison of the Collection of Blood Samples in Prenatal Screening, Using the Filter Paper and Venipuncture Technique ELISA for the Detection of HIV 1+2. DST 2010, 22, 193-198.