| the epstein-barr virus-associated gastric carcinoma in southern and northern china. | in the present study, we examined the proportions of epstein-barr virus-associated gastric carcinomas (ebv-gcs) in guangzhou, southern china and shenyang, northern china, two areas differing markedly in nasopharyngeal carcinoma (npc) incidence. using in situ hybridization assay, the presence of ebv-encoded small rna (eber) was examined in 198, and 180 gastric cancer cases in guangzhou and shenyang, respectively. the proportion of ebv-gc in guangzhou (9%) was significantly higher than that in she ... | 2002 | 12375037 |