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Helicobacter pylori vacA s1a and s1b alleles from clinical isolates from different regions of Chile show a distinct geographic distribution.
Diaz MI, Valdivia A, Martinez P, Palacios JL, Harris P, Novales J, Garrido E, Valderrama D, Shilling C, Kirberg A, Hebel E, Fierro J, Bravo R, Siegel F, Leon G, Klapp G, Venegas A. Diaz MI, et al. Among authors: siegel f. World J Gastroenterol. 2005 Oct 28;11(40):6366-72. doi: 10.3748/wjg.v11.i40.6366. World J Gastroenterol. 2005. PMID: 16419167 Free PMC article.
Placebo-controlled efficacy study of hepatitis A vaccine in Valdivia, Chile.
Riedemann S, Reinhardt G, Frösner GG, Ibarra H, Moraleda L, Hering V, Siegel F, Toledo C, Leon J, Gonzalez JL, et al. Riedemann S, et al. Among authors: siegel f. Vaccine. 1992;10 Suppl 1:S152-5. doi: 10.1016/0264-410x(92)90573-3. Vaccine. 1992. PMID: 1335650 Clinical Trial.
Hepatitis E virus in Chile.
Ibarra HV, Riedemann SG, Siegel FG, Reinhardt GV, Toledo CA, Frösner G. Ibarra HV, et al. Among authors: siegel fg. Lancet. 1994 Nov 26;344(8935):1501. doi: 10.1016/s0140-6736(94)90315-8. Lancet. 1994. PMID: 7968131 No abstract available.
206 results