@article{wang_wang_2016,  title={Low vaspin levels are related to endothelial dysfunction in patients with ankylosing spondylitis},  volume={49},  ISSN={0100-879X},  url={https://doi.org/10.1590/1414-431X20165231},  DOI={10.1590/1414-431X20165231},  number={7},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Wang, H.H. and Wang, Q.F.},  year={2016},  pages={e5231} }