@misc{indiciaea9e22e825001, title = {Simple self-help maneuvers are effective in aborting vasovagal syncope.}, author = {Tsung O Cheng}, year = {2004}, doi = {10.1161/01.cir.0000127693.63253.27}, url = {https://pubmed.ncbi.nlm.nih.gov/15136517/}, note = {Source identifier: 15136517} }