TY  - RPRT
TI  - Endogenous opioids, catecholamines and vasovagal syncope.
AU  - H E Kulbertus
PY  - 1996
DO  - 10.1093/oxfordjournals.eurheartj.a014740
UR  - https://pubmed.ncbi.nlm.nih.gov/8922905/
ID  - 8922905
ER  -