Figure 6From: Improvement of pain and regional osteoporotic changes in the foot and ankle by low-dose bisphosphonate therapy for complex regional pain syndrome type I: a case series Changes in bone pain (visual analog scale, or VAS). The reduction in VAS score after the oral administration of low doses of bisphosphonate. Aln, duration of treatment with alendronate at 35 mg per week; VAS, visual analog scale (/100 mm).Back to article page