Table 2.

Databases searched for retrieval of citations for validation testing

Datasets	Databases searched
Cytology screening tests dataset	1. Cochrane Controlled Trials Register (CCTR)
	2. Cochrane Database of Systematic Reviews (CDSR)
	3. EMBASE
	4. MEDLINE
	5. National Research Register (NRR)
	6. Database of Assessments of Reviews of Effectiveness (DARE)
	7. NHS Health Technology Assessment (HTA)
	8. PreMEDLINE
	9. Science Citation Index
	10. Social Sciences Citation Index
Haematology dataset	1. MEDLINE
	2. EMBASE
	3. MEDLINE In-Process
	4. Biological Abstracts
	5. NHS Health Technology Assessment (HTA)
	6. Cochrane Controlled Trials Register (CCTR)
	7. Cochrane Database of Systematic Reviews (CDSR)
	8. CINAHL
	9. Science Citation Index
	10. Social Sciences Citation Index
Stroke dataset	1. MEDLINE
	2. EMBASE
	3. CENTRAL
	4. CINAHL
	5. PsycInfo