1. Ganzfeld electroretinographic findings in parkinsonism: untreated patients and the effect of levodopa intravenous infusion. Issue 7 (July 1987) Authors: Jaffe, M J; Bruno, G; Campbell, G; Lavine, R A; Karson, C N; Weinberger, D R Journal: Journal of neurology, neurosurgery and psychiatry Issue: Volume 50:Issue 7(1987) Page Start: 847 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗