Fig. 1From: An evaluation of the effects of saffron supplementation on the asthma clinical symptoms and asthma severity in patients with mild and moderate persistent allergic asthma: a double-blind, randomized placebo-controlled trialProtocol flow diagram; we conducted a 2 months’ open label, parallel-group, randomized controlled trial to determine the effect of saffron supplementation on the asthma clinical symptoms and asthma severity in patients with mild and moderate persistent allergic asthmaBack to article page