|
|
| | Brito, Carlos AA et al. Prevalence of cagA and vacA genes in isolates from patients with Helicobacter pylori-associated gastroduodenal diseases in Recife, Pernambuco, Brazil. Mem. Inst. Oswaldo Cruz, Sept 2003, vol.98, no.6, p.817-821. ISSN 0074-0276
|
|