1. 4373 Defining the role of non-canonical PIK3CA mutations in head and neck squamous cell carcinoma. Issue Volume 4:Issue(2020)Supplement 1 (June 2020) Authors: Lee, Michelle Ji-Eun; Jin, Nan; Cho, Janice; Kwok-shing, Patrick; Mills, Gordon B.; Johnson, Daniel E.; Grandis, Jennifer R. Journal: Journal of clinical and translational science Issue: Volume 4:Issue(2020)Supplement 1 Page Start: 5 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗