Formononetin reverses established osteopenia in adult ovariectomized rats - Tyagi, A M; Srivastava, K; Singh, A K; Kumar, A; Changkija, B; Pandey, R; Lahiri, S; Nagar, G K; Yadav, D K; Maurya, R; Trivedi, R; Singh, D (Menopause (New York, NY), 2012)