| A 3 month clinical trial of herbal medicine combination intended for topical application in patients with leg symptoms complaints due to chronic venous insufficiency: a double-blind randomized controlled trial | Herbal medicine combination containing acetyl salicylic acid and asiaticoside plus acemannan in topical gel formulation for chronic venous insufficiency: a 3 month double-blind randomized placebo-controlled trial among Thai patients diagnosed as mild-to-moderate chronic venous insufficiency | ISRCTN54360155 |
