Saag KG, Shane E, Boonen S, Marín F, Donley DW, Taylor KA, et al. (noiembrie 2007). „Teriparatide or alendronate in glucocorticoid-induced osteoporosis”. The New England Journal of Medicine. 357 (20): 2028–39. doi:10.1056/NEJMoa071408. PMID18003959.
Saag KG, Shane E, Boonen S, Marín F, Donley DW, Taylor KA, et al. (noiembrie 2007). „Teriparatide or alendronate in glucocorticoid-induced osteoporosis”. The New England Journal of Medicine. 357 (20): 2028–39. doi:10.1056/NEJMoa071408. PMID18003959.