久治不愈者，更有缺铜的可能性。
The more time the patients use to recover , the more possibility they lack copper .
他得了久治不愈的咳嗽了吗？
其独特的治疗方法对久治不愈的男性不育症极为显著。
Its unique method of treatment of the male infertility is a very significant.
其独特的治疗方法对久治不愈的男性不育症极为显著。
Its unique method of treatment of the male infertility is a very significant.
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