@article{bilezikian_rubin_silverberg_2006,  title={Asymptomatic primary hyperparathyroidism},  volume={50},  ISSN={0004-2730},  url={https://doi.org/10.1590/S0004-27302006000400010},  DOI={10.1590/S0004-27302006000400010},  number={4},  journal={Arquivos Brasileiros de Endocrinologia & Metabologia},  publisher={Sociedade Brasileira de Endocrinologia e Metabologia},  author={Bilezikian, John P. and Rubin, Mishaela and Silverberg, Shonni J.},  year={2006},  month={Aug},  pages={647–656} }