@article{silva_costa_franco_natali_2013,  title={Calcium and caffeine interaction in increased calcium balance in ovariectomized rats},  volume={26},  ISSN={1415-5273},  url={https://doi.org/10.1590/S1415-52732013000300006},  DOI={10.1590/S1415-52732013000300006},  number={3},  journal={Revista de Nutrição},  publisher={Pontifícia Universidade Católica de Campinas},  author={Silva, Sandra Tavares da and Costa, Neuza Maria Brunoro and Franco, Frederico Souzalima Caldoncelli and Natali, Antônio José},  year={2013},  month={May},  pages={313–322} }