Case Report Accepted on 25 Feb 2026 Marchiafava-Bignami Disease: Anti-Parietal Cell Antibodies as a Potential Etiological Factor in a Novel Case Presentation in Micronutrient Biology ZhangJunhao ZhangLinzhen WangShuangfeng YangYinhong XieChengcheng HeHongyu LinYang LiShanfeng QiuShunxian WangShengxiong Pu Frontiers in Molecular Biosciences