Raynaud's phenomenon
Database and coverage	Search date	Number of references retrieved	With duplicates removed
The Cochrane Library Cochrane Reviews Issue 12 of 12, December 2015 Other Reviews (DARE) Issue 2 of 4, April 2014 CENTRAL Methods studies Issue 3 of 4, July 2012 Technology assessments Issue 2 of 4, April 2014 Economic evaluation	December 2, 2015	14 26 1011 5 2 3	8 26 358 2 3 3
Ovid MEDLINE(R) 1946‐present		1027	1005
Ovid Embase Classic + Embase 1947‐present		1251	884
Clinicaltrials.gov		50	48
WHO portal (who.int/trialsearch, all years)		0	0
	Totals	3389	2337