Labetalol-induced Toxic MyopathyBMJ 282:1824-1825, Teicher,A.,et al, 1981
Treatment of Postural HypotensionJNNP 65:285-289, Mathias,C.J.&Kimber,J.R., 1998
Posttraumatic Dysautonomic CephalgiaArch Neurol 32:649, Vijayan,N.,et al, 1975