Search strategy for automated indexing project

OVID Medline search strategy used for the automated indexing project. The file is in .txt format. For a complete set of results see the \"OVID Medline search results for automated indexing project\" dataset.本数据集包含用于自动化标引项目的OVID Medline检索策略。该文件格式为纯文本（.txt）。如需获取完整结果集，请参阅名为「自动化标引项目OVID Medline检索结果」的数据集。