RT Journal Article SR Electronic T1 Neurophysiological investigation in optic nerve disease: combined assessment of the visual evoked response and electroretinogram. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 227 OP 239 DO 10.1136/bjo.62.4.227 VO 62 IS 4 A1 H. Ikeda A1 K. E. Tremain A1 M. D. Sanders YR 1978 UL http://bjo.bmj.com/content/62/4/227.abstract AB