AIM: To assess the predictive value of Operative Link on Gastritis Assessment(OLGA) and Operative Link on Gastric Intestinal Metaplasia Assessment(OLGIM) stages
【正】 English writing is the most difficuh skill for students learning English as for-eign language to achieve because of the cultural influence on language an
AIM: To present a retrospective analysis of clinical and endoscopic features of 4 cases of immunocompetent hosts with intestinal histoplasmosis(IH).METHODS: Fou