Syncope:Current Diagnostic Evaluation and ManagementAnn Int Med 112:850-863, Manolis,A.S.,et al, 1990
VertigoLancet 352:1841-1846, Baloh,R.W., 1998
Atlanto-Axial Subluxation in Rheumatoid ArthritisBone & Joint Surg 55B:458973., Rana,N.S., 1973