严重牛奶过敏患儿食管嗜酸粒细胞增多随访的重要性.
Mesh : Child Child, Preschool Female Humans Infant Male Eosinophilia / immunology Eosinophilic Esophagitis / immunology diagnosis Esophagus / pathology immunology Follow-Up Studies Milk Hypersensitivity / immunology diagnosis complications