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Advance in pharmaceutical studies of expandable gastroretentive dosage forms
tang yu1; 2; luo jie-ying1; wang wen-ping3; liu cha2; he fu-yuan1; yang da-jian2(1 college of pharmaceutics; hunan university of tcm; changsha 410208; china; 2 state key laboratory of chinese medicine and molecular pharmacology; shenzhen 518507; china; 3 department of pharmaceutics; ningxia medical college; yinchuan 750004; china)
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Research progress on tannins
feng wei-sheng; zang xin-yu; zheng xiao-ke(henan university of traditional chinese medicine; zhengzhou 450008; china)
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