.eng - english . http://lm360.us/Brownstein-sister-of-Gillcrest-from-Lande?Gurecznyf=119 . . . 1 . march 2011 (20) .he has worked with patients under similar circumstances, but is not involved in the first lady’s case. .stephen silberstein, md, director, jefferson university headache center. . august 2012 (20) .