Cinacalcet for secondary hyperparathyroidism in patients receiving hemodialysis. - Block,G.; Martin,K.; de Francisco,A.; Turner,S.; Avram,M.; Suranyi,M.; Hercz,G.; Cunningham,J.; Abu-Alfa,A.; Messa,P.; Coyne,D.; Locatelli,F.; et al. (N Engl J Med, 2004)