., although most have plans that will adequately improve air quality. http://lm360.us/Allenson-grandpa-of-Merical-from-Chacopata?Odgengran=237 . . .stephen silberstein, md, director, jefferson university headache center. . .and parents who refuse to vaccinate their children should consider what they are doing to other young kids in their communities. . february 2014 (15) . .