Tankova 2002.

Methods	RCT n=19
Participants	CAF
Interventions	Isosorbide mononitrate bid 3 wk.s n = 19
Outcomes	healing, headache
Notes	3 mo f/u AS,AC,B,SS no 0 drop outs
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	not stated
Allocation concealment (selection bias)	Unclear risk	D ‐ Not used
Selective reporting (reporting bias)	Low risk	appropriate outcomes/side effects reported
Other bias	Low risk	0 drop outs,
Duration of Follow‐up 6 months or more	High risk	3 months