The sample was randomly selected using an electronic database and printed telephone directories to ensure sample representativeness from all Australian states and territories.
使用电子数据库和电话号码簿随机选择样本，以保证样本可代表澳大利亚各州和地区。
Study Design. Retrospective medical record and electronic database audit to ascertain the incidence and predictors of cervical collar-related decubitus ulceration (CRU).
研究设计：回顾医学记录和电子数据库确定颈托所致压疮的发生率及预测因素。
Electronic database searches and citation searches; researchers in the field were contacted.
搜寻电子资料库及其相关论文引用之文献﹐并联系此一领域的研究人员。
Electronic database searches and citation searches; researchers in the field were contacted.
搜寻电子资料库及其相关论文引用之文献﹐并联系此一领域的研究人员。
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