A Common Pituitary Autoantibody in Two Patients with Immune Checkpoint Inhibitor-Mediated Hypophysitis: ZCCHC8 oleh Amanda Leiter, MD, MSCR, Sacha Gnjatic, PhD, Mary Fowkes, MD, PhD, Seunghee Kim-Schulze, PhD, Ilaria Laface, PhD, Matthew D. Galsky, MD, Emily J. Gallagher, MD, PhD