化验大便查轮状病毒抗体，这几天一直吃你的母乳吗？
B-Medical_Examination I-Medical_Examination B-Medical_Examination I-Medical_Examination O B-Medical_Examination I-Medical_Examination I-Medical_Examination I-Medical_Examination I-Medical_Examination I-Medical_Examination O O O O O O O O O O O O O