High Frequency of Mutations of the PIK3CA Gene in Human Cancers

Yardena Samuels, Zhenghe Wang, Alberto Bardelli, Natalie Silliman, Janine Ptak, Steve Szabo, Hai Yan, Adi Gazdar, Steven M. Powell, Gregory J. Riggins, James K V Willson, Sanford Markowitz, Kenneth W. Kinzler, Bert Vogelstein, Victor E. Velculescu