@article{grubb_jorge_2000,  title={A review of the classification, diagnosis, and management of autonomic dysfunction syndromes associated with orthostatic intolerance},  volume={74},  ISSN={0066-782X},  url={https://doi.org/10.1590/S0066-782X2000000600008},  DOI={10.1590/S0066-782X2000000600008},  number={6},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Grubb, Blair P. and Jorge, Sérgio do Carmo},  year={2000},  month={Jun},  pages={545–552} }