Intestinal-derived FGF15 protects against deleterious effects of vertical sleeve gastrectomy in mice oleh Nadejda Bozadjieva-Kramer, Jae Hoon Shin, Yikai Shao, Ruth Gutierrez-Aguilar, Ziru Li, Kristy M. Heppner, Samuel Chiang, Sara G. Vargo, Katrina Granger, Darleen A. Sandoval, Ormond A. MacDougald, Randy J. Seeley