1. Pure autonomic failure;Freeman,1995
2. Shy-Drager syndrome and multiple system atrophy;Polinski,1995
3. Head-down bed rest impairs vagal baroreflex responses and provokes orthostatic hypotension;Convertino;J Appi Physiol,1990
4. Central venous pressure in space;Buckey;J Appi Physiol,1996
5. Orthostatic intolerance syndrome: vasoregulatory asthenia and other hyperadrenergic states;Biaggioni,1995