Effects of Teriparatide Compared with Risedronate on the Risk of Fractures in Subgroups of Postmenopausal Women with Severe Osteoporosis: The VERO Trial. 

J Bone Miner Res. 2018 Jan 12. doi: 10.1002/jbmr.3384. [Epub ahead of print]

Geusens P, Marin F, Kendler DL, Russo LA, Zerbini CA, Minisola S, Body JJ, Lespessailles E, Greenspan SL, Bagur A, Stepan JJ, Lakatos P, Casado E, Moericke R, López-Romero P, Fahrleitner-Pammer A.

https://www.ncbi.nlm.nih.gov/pubmed/29329484