11C-Choline PET/CT in Recurrent Prostate Cancer: Retrospective Analysis in a Large U.S. Patient Series. - Michaud L; Touijer KA; Mauguen A; Zelefsky MJ; Morris MJ; Lyashschenko SK; Durack JC; Humm JL; Weber WA; Schöder H (Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 2020)