for the A-TOP (Adequate Treatment for Osteoporosis) research group - Orimo, H; Nakamura, T; Fukunaga, M (Effects of Alendronate plus Alfacalcidol in osteoporosis patients with a high risk of fracture: the Japanese Osteoporosis Intervention Trial (JOINT) – 02. Curr Med Res Opin, 2011)
et al.