1. Neurally mediated syndromes;Rocha;Arq Brasil Cardiol,2006
2. 2. Grubb BP, Olshanski B. Syncope: mechanisms and management. Armonk, NY: Futura Publishing Company; 1998: 107-26.
3. 3. Lorga Filho AM, Magalhães LP, Cintra FD. Síncope. Rio de Janeiro: Atheneu. 2013. p. 35-52.
4. A neurological syndrome associated with orthostatic hypotension;Shy;Arch Neurol,1960
5. The shy-drager syndrome. What did shy and drager really describe?;Quinn;Arch Neurol,1995