Sellers J, Newman J H
Lancet. 1971 Dec 11;2(7737):1276-8. doi: 10.1016/s0140-6736(71)90599-x.
Bacteriological investigation of the adult umbilicus showed that it is much more profusely colonised by bacteria than the rest of the abdominal skin. Routine preoperative treatment with alcoholic chlorhexidine solution did not disinfect the umbilicus satisfactorily. Better results were achieved by disinfection with povidone iodine followed by alcoholic chlorhexidine.
对成人肚脐的细菌学调查表明，肚脐处的细菌定植比腹部其他皮肤部位更为丰富。术前用酒精洗必泰溶液进行常规处理并不能令人满意地对肚脐进行消毒。先用聚维酮碘消毒，然后再用酒精洗必泰消毒，效果更佳。
