Authors: J Schrader; U Tebbe; M Borries; F Ruschitzka; G Schoel; M Kandt; G Warneke; C Züchner; M H Weber; U Neu Journal: Klin Wochenschr Date: 1990-08-02
Authors: P Gaetani; R Rodriguez y Baena; G Grignani; G Spanu; L Pacchiarini; P Paoletti Journal: J Neurol Neurosurg Psychiatry Date: 1994-01 Impact factor: 10.154