方法按第二次全国口腔健康流行病学抽样调查标准，对144例长期住院的精神分裂症患者进行口腔健康调查研究。
Methods According to the standards of the 2nd national oral health sampling survey, 144 schizophrenia patients in hospitals for a long time were investigated.
方法按第二次全国口腔健康流行病学抽样调查标准，对144例长期住院的精神分裂症患者进行口腔健康调查研究。
Methods According to the standards of the 2nd national oral health sampling survey, 144 schizophrenia patients in hospitals for a long time were investigated.
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