An Adult Case of Diabetes With High Levels of GAD Antibodies Without Insulin Deficiency for More Than 10 Years. - Takeuchi, Hideyuki; Iso-O, Naoyuki; Takai, Atsuko; Mikamo, Takashi; Nagumo, Kozue; Hara, Masumi; Isozaki, Osamu (Case Reports in Endocrinology, 2025)