卡介菌多糖核酸治疗复发性阿弗他溃疡临床疗效观察
잡개균다당핵산치료복발성아불타궤양림상료효관찰
Clinical observation on the efficacy of Bacillus Calmette-Guerin polysacharides-nucler acid for recurrent aphthous ulcer
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