@misc{indiciae33f4528992f5, title = {Endogenous circulating sympatholytic factor in orthostatic intolerance.}, author = {R E Shapiro and B Winters and M Hales and T Barnett and D A Schwinn and N Flavahan and D E Berkowitz}, year = {2000}, doi = {10.1161/01.hyp.36.4.553}, url = {https://pubmed.ncbi.nlm.nih.gov/11040235/}, note = {Source identifier: 11040235} }