Authors: Levine, OS Lagos, R Munoz, A Villaroel, J Alvarez, AM Abrego, P Levine, MM

Citation: Os. Levine et al., Defining the burden of pneumonia in children preventable by vaccination against Haemophilus influenzae type b, PEDIAT INF, 18(12), 1999, pp. 1060-1064

Authors: Levine, MM Ferreccio, C Abrego, P San Martin, O Ortiz, E Cryz, S

Citation: Mm. Levine et al., Duration of efficacy of Ty21a, attenuated Salmonella typhi live oral vaccine, VACCINE, 17, 1999, pp. S22-S27

Authors: Lagos, R Potin, M Munoz, A Abrego, P San Martin, O Ureta, AM Bustamante, C

Citation: R. Lagos et al., Serum antibodies against hepatitis A virus among subjects of medium and low socioeconomic levels in urban Santiago, REV MED CHI, 127(4), 1999, pp. 429-436

Authors: Lagos, R Fasano, A Wasserman, SS Prado, V Martin, OS Abrego, P Losonsky, GA Alegria, S Levine, MM

Citation: R. Lagos et al., Effect of small bowel bacterial overgrowth on the immunogenicity of single-dose live oral cholera vaccine CVD 103-HgR, J INFEC DIS, 180(5), 1999, pp. 1709-1712