1. Iontophoretic Vincristine in the Treatment of Postherpetic Neuralgia
Noreen P Dowd, FFARCSI, Fergal Day, FFARCSI, Deirdre Timon, FFARCSI, Anthony J Cunningham, FRCPC, Lorna Brown, FFARCSI 
Journal of Pain and Symptom Management 
Volume 17, Issue 3, Pages (March 1999)
DOI: /S (98)

2. Fig. 1
VAS scores (median and range) in both groups before treatment, on day 5 and day 20 after the start of treatment. There was a significant decrease (P = 0.04) in VAS scores from baseline to day 20 in both groups but there was no statistically significant difference in pain scores between the groups on day 20
Journal of Pain and Symptom Management  , DOI: ( /S (98) )