Kalisch A, Sasama R, Schroeder W
Hals-Nasen-Ohren-Klinik, Medizinischen Akademie Erfurt.
Psychiatr Neurol Med Psychol (Leipz). 1987 Jun;39(6):352-5.
A random sample of 15 patients suffering from multiple sclerosis without acute episodes and at least partially able to work, shows to a high degree of statistical certainty that reduction in amplitude of acoustically evoked brain stem potentials (BAEP) is closely linked with beta-weighted performance value of the square search test (QSP).