医学英语写作常用句型.docxVIP

医学英语写作常用句型 材料与方法 1. How to write the materials and methods section 2. Follow the guidelines below for writing a good Materials and Methods section ? Write most of the section in the past tense. ? Organize it in chronological order. ? Construct subheadings that correspond to those to be used in the Results section. ? Be precise and concise. Study Subjects ? Present inclusion and exlcusino criteria for selecting the subjects studied. ? Give details of all relevant characteristics of the study subjects and of any control subjects. ? Give details of informed consent procedures if human subjects are involved. Materials ? Give exact technical specifications of the materials used. ? Do not use proprietary(专卖的，专利的) names unless the properties of a particular proprietary product were important to the experiment. ? Give the genus(种, 类), species and strain of any animals, plants, etc. used in the study. Methods ? Describe what you did. ? Give sufficient detail to permit other research workers in the field to replicate your work. ? Describe statistical methods. ? Mention a well established method by name, or by giving an appropriate reference Read the following example Materials and Methods section and familiarize yourself with the layout: Methods Patients Thirty-six consecutive patients underwent heart transplantation by the midatrial-cuff technique between August 1992 and June1993. Nine patients were not enrolled in the study; five patients had multiple medical limitations after prolonged hospitalization, and four patients declined to participate. Within two weeks after transplantation, informed consent was obtained from the remaining 27 patients, who were randomly assigned (by selection of sealed envelopes) either to a group that participated in an exercise training program in an outpatient cardiac-rehabilitation setting (exercise group, 14 patients) or to a control group (13 patients). The control group re