Alendronate in primary hyperparathyroidism: a double-blind, randomized, placebo-controlled trial - Khan, A A; Bilezikian, J P; Kung, AW C; Ahmed, M M; Dubois, S J; Ho, AY Y; Schussheim, D; Rubin, M R; Shaikh, A M; Silverberg, S J; Standish, T I; Syed, Z; Syed, Z A (J Clin Endocrinol Metab, 2004)