Serum sclerostin levels positively correlate with lumbar spinal bone mineral density in postmenopausal women – The six-month effect of risedronate and teriparatide - Polyzos, S A; Anastasilakis, A D; Bratengeier, C; Woloszczuk, W; Papatheodorou, A; Terpos, E (Osteoporos Int, 2012)