1. KRAS Mutations and Primary Resistance of Lung Adencarcinomas to Gefitnib or Erlotinib Creator: Varmus, HaroldMiller, VincentKris, MarkHeelan, RobertPao, WilliamRiely, Gregory J.Wang, Theresa Y.Zakowski, MaureenLadanyi, MarcPan, Qiulu Date: January 2005 Publisher: Public Library of Science Genre: Articles