Table 2 Search limits specific to MEDLINE, Embase and Web of Science
Search limits | |||
Database | Ovid MEDLINE(R) and Epub Ahead of Print, In-process and Other Non-indexed Citations, Daily and Versions(R) | Ovid Embase | Web of Science |
Search | Title and Abstract (.ti,ab) | Title and Abstract (.ti,ab) | Title, abstract, and keywords (TS=()) |
Dates | 1946 to November 30, 2018 | 1974 to 2018 December 03 | 1900–2018 |
Publication status | No limit | Article-in-press, Embase status, In-Process status | No limit |
Document type | Journal Article | Article, Article in press | Article |
Language | English | English | English |
Categories | No limit | No limit | Categories covering computer science, biology, healthcare, pharmacy, mathematics, statistics, biomedical engineering, psychology and probability. |
Citation index | No limit | No limit | Social science, Science, Emerging sources. |