The Eye of the Beholder: Inter-rater Agreement among Experts on Psychogenic Jerky Movement Disorders
JNNP 84:742-747, Van de Salm, S.,et al, 2013
Interobserver Agreement in Assessment of Ocular Signs in Coma
JNNP 42:1163-1168, van den Berge,J.H.,et al, 1979