目的：对比吡喃阿霉素（THP）术中黏膜下注射与术后早期膀胱灌注预防浅表膀胱癌膀胱部分切除术后复发的疗效。方法：73例患者随机分为A、B......

Desymmetrization reactions provide a powerful approach for the construction of complex molecules. Various methods have b......