RT Journal Article SR Electronic T1 Pupillary diameter assessment: Need for a graded scale JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 530 OP 530 DO 10.1212/WNL.54.2.530 VO 54 IS 2 A1 I. Litvan A1 G. Saposnik A1 J. MauriƱo A1 L. Gonzalez A1 R. Saizar A1 R.E. P. Sica A1 J.J. Bartko YR 2000 UL http://n.neurology.org/content/54/2/530.abstract AB