Evaluation of the skeletal effects of combined mild dietary calcium restriction and ovariectomy in Sinclair S-1 minipigs: a pilot study - Mosekilde, L; Weisbrode, S E; Safron, J A; Stills, H F; Jankowsky, M L; Ebert, D C; Danielsen, C C; Sogaard, C H; Franks, F; Stevens, M L; Paddock, C L; Boyce, R W (J Bone Miner Res, 1993)