Obstruction may be caused by chronic cicatrization . 梗阻也许是由慢性瘢痕造成的。
2.
Recovery of central vision is unsatisfactory due to macular degeneration and cicatrization 从视网膜下出血演变到玻璃体出血的时间不等，约一至三个星期。
3.
Furthermore , the degradation rate of the surgical suture line of chitosan must match up to the cicatrization speed of wound 认为在制备手术缝合线之前有必要对壳聚糖进行预处理，此外缝合线降解的速度应与伤口愈合的速度相互匹配。
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