2004年开江县农村部分30岁以上居民慢性浅表性胃炎患病情况调查
2004년개강현농촌부분30세이상거민만성천표성위염환병정황조사
Investigation on the Prevalence of Superficial Gastritis in Villagers over 30 in Kaijiang County in 2004
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