ImmunoPET of trophoblast cell-surface antigen 2 (Trop-2) expression in pancreatic cancer - Chen, Weiyu; Li, Miao; Younis, Muhsin H.; Barnhart, Todd E.; Jiang, Dawei; Sun, Tuanwei; Lang, Joshua M.; Engle, Jonathan W.; Zhou, Min; Cai, Weibo (European journal of nuclear medicine and molecular imaging, 2022)