One group used metronidazole towound. the other used sodium chloride injection two times per day.
One group used metronidazole towound. the other used sodium chloride injection two times per day.
结果：观察组甲级愈合率为99.12％，对照组95.65％，观察组高于对照组。
One group used metronidazole towound. the other used sodium chloride injection two times per day.
结果：观察组甲级愈合率为99.12％，对照组95.65％，观察组高于对照组。