Nomenclature and research case definitions for neurologic manifestations of human immunodeficiency virus-type 1 (HIV-1) infection. - Janssen,R.S.; Cornblath,D.R.; Epstein,L.G.; Foa,R.P.; McArthur,J.C.; Price,R.W.; Asbury,A.K.; Beckett,A.; Benson,D.F.; Bridge,T.P.; Leventhal,C.M.; Satz,P.; et al. (Neurology, 1991)