1. OP0039 Head to Head Comparison of Udenafil Versus Amlodipine in the Treatment of Secondary Raynaud's Phenomenon: A Double-Blind, Randomized Cross-Over Study. (23rd January 2014) Authors: Park, J. K.; Lee, E. Y.; Yoon, M. J.; Lee, W.; Kim, Y. K.; Park, C. S.-Y.; Giles, J. T.; Park, J. W.; Shin, K. C.; Lee, J. S.; Song, Y. W.; Lee, E. B. Journal: Annals of the rheumatic diseases Issue: Volume 72:Supplement 3(2013) Page Start: A61 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗