Search strategies to identify observational studies in MEDLINE and Embase
Li, Li; Smith, Helen E; Atun, Rifat; Tudor Car, Lorainne
- 期刊名称Cochrane Database of Systematic Reviews
- 作者Li, Li; Smith, Helen E; Atun, Rifat; Tudor Car, Lorainne
- 电子ISSN1465-1858
- 文件大小409.89KB
- 发表时间2019-03-12
- DOI10.1002/14651858.MR000041.pub2