1.材料(资料)与方法应描述课题的基本设计,使用方法是双盲、单盲还是开放性,数据的精确程度等。研究对象是否遵循随机化、齐同化、对照的原则,说明观察或实验对象(包括对照组)的选择方法和标准(疾病诊断标准须标注来源文献),在以人为研究对象的前瞻性研究论文中必须说明是否获得受试者的知情同意和伦理委员会的批准;所用 1. Materials (materials) and methods should describe the basic design of the issue, the use of double-blind, single-blind or open, the accuracy of the data. The subjects followed the principles of randomization, homogeneous assimilation and contrast, and described the selection methods and criteria of the observed or experimental subjects (including the control group) (the diagnostic criteria of the disease should be marked with the source literature). In the prospective study of human subjects It must be stated whether the informed consent of the subject and the ethics committee’s approval have been obtained; used