据Yasamy说，无监测治疗的复杂因素和卫生服务质量低下都可能成为导致精神健康障碍患者健康状况较差的重要因素。
According to Yasamy, complications of unmonitored treatment and the poor organization of health services are likely to be the major contributors to the poorer health of people with mental illness.
这些成为许多大学生课外英语学习效率低下，难以达到教学大纲的要求的重要因素。
Those are part of the major factors leading to the fact that most college students' English proficiency can not roundly reach the requirements of college English Teaching Syllabus.
结论抵抗力低下，住院日延长及不合理使用抗生素，是造成医院感染和影响康复的主要因素。
Conclusion Weakened resistence, hospitalization day'extention and abuse of antibiotic are the main factors leading to nosocomial infection and recovery frustration.
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