.for advertisers . . please keep our community civil. comments should remain on topic and be respectful. . . http://lm360.us/Cova-grandpa-of-Gurkin-from-So-Paulo?Frazeneig=78 . . september 2017 (21) . .stephen silberstein, md, director, jefferson university headache center. .�we have waited a long time and we cannot possibly wait any longer.� . september 2009 (17) . .�this negligence must not be allowed to continue,� budkie�s letter states. �the university of california, berkeley, has clearly failed to follow federal regulations and guidelines.�