Neurogenic Orthostatic Hypotension
NEJM 358:615-624, Freeman,R., 2008
Treatment of Postural Hypotension
JNNP 65:285-289, Mathias,C.J.&Kimber,J.R., 1998
Postural Hypotension:Adrenergic Responsivity, & Levodopa Therapy
Neurol 27:921, Corder,C.N.,et al, 1977