Karakiriou Σ. Κ., Douda Ε. Τ., and Tokmakidis Σ. Π., “Effect of a Specific Vibration Program and Exercise Training on Bone Mineral Density in Osteoporotic and Healthy Postmenopausal Women”, ispe, vol. 11, no. 2, pp. 68–78, Sep. 2013.