3Kanis J, Johnell O, Gullberg B, et al. Risk factors for hip fracture in men from sonthern Europe: the MEPOS study, mediterranean osteoporosis study. Dsteoporos Int, 1999, 9 ( 1 ) : 45 -54.
4Martinez ME, del Campo MT, Medina S, et al. Influnence of skeletal site of rigin and donor age on osteoblastic cell growth and differentitation. Calcif Tissue Int, 1999, 64 (4): 280-256.
5Falkenbach A. Physical exercise, nutrition and sunshine exposure for the prevention of osteoporosis. Forsch Komplementarmed klass Naturheilkd, 2001, 8 (4): 196-204.
6Pasco JA, Henry M J, Nicholson GC, et al. Vitamin D status of women in the Geelong Osteoporosis Study: association with diet and casual exposure to sunlight. Med J Aust, 2001, 175 (8) : 401 - 405.