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国内报道的口腔溃疡膜的成膜材料,一般为聚乙烯醇(简称PVA)和羧甲基纤维素钠(简称CMC—Na)。PVA中以PVA17—88为主要成膜材料,笔者选用CMC—Na(粘度为600—1400厘
Domestic reported film of oral ulcers film material, usually polyvinyl alcohol (referred to as PVA) and sodium carboxymethyl cellulose (CMC-Na for short). PVA to PVA17-88 as the main film-forming material, the author used CMC-Na (viscosity of 600-1400 PCT