pubmed操作过程和操作习题.ppt

1、Dept. of Medical Information 2020/9/23,1,PubMed数据库,NCBI (National Center for Biotechnology Information),Email:,Dept. of Medical Information,2,NCBI网站 (),All Databases,Dept. of Medical Information,3,文献型数据库,数值型数据库,辅助数据库,Dept. of Medical Information,4,Dept. of Medical Informati

2、on,5,Dept. of Medical Information,6,一、PubMed 数据来源及收录范围,（1）Medline （2）Premedline-In Process Citations （3）Publisher Supplied Citations,Dept. of Medical Information,7,一、PubMed数据来源及收录范围,(1) Medline 5000余种生物医学期刊 起始时间:1950- 年报道量:约40万条 英文: 占88% 内容涉及： 医学、药学、牙医学、护理学、卫生保健、兽医学等专业。 记录标注: PubMed - indexed for ME

3、DLINE,Dept. of Medical Information,8,一、PubMed数据来源及收录范围,(2) Premedline 最新文献临时库： 收集未正式给予MeSH词、出版类型等深度标引信息的期刊文献。 “PubMed计划”： 出版商提交期刊论文题录给PubMed，加入到PreMedline库中。这些文献被标引了MeSH词等信息后，转入MEDLINE，同时从PreMedline中删去。 记录标注：PubMed - in process,Dept. of Medical Information,9,一、PubMed数据来源及收录范围,(3) Publisher Supplied

4、Citations Medline未收录的文献 出版商提供的是整本期刊的信息，若有部分没有被MEDLINE收录，PubMed仍保存。 记录标注： PubMed - as supplied by publisher,Dept. of Medical Information,10,PubMed检索结果页面,Dept. of Medical Information,11,二、PubMed主页构成,自由词检索框,辅助检索区,信息提示区,检索功能键,Dept. of Medical Information,12,三、PubMed自由词检索,检索词的输入形式： （1）单词、短语、缩写 如，interleu

5、kin；stomach cancer；AIDS （2）著者姓名：如，Smith W （3）期刊相关信息：刊名全称、缩写、ISSN 如，Cancer Research、JAMA、0741-5400,Dept. of Medical Information,13,自由词检索规则,截词检索 bacter*， disease? bacter disease bacteria diseases bacterium 作者检索 smith ja; jones k julia s wong; wong julia s(2002年始） 逻辑运算 and(空格)、or、not 词语检索 “single cell”

6、；“World War I” 字段限止检索 liver cancerti,Dept. of Medical Information,14,PubMed检索字段,Dept. of Medical Information,15,例：肝癌的化学治疗,Dept. of Medical Information,16,四、PubMed检索功能键,Limits （限制） Preview/Index（预览/索引） History（检索史） Clipboard（剪贴板） Details（明细栏）,Dept. of Medical Information,17,Limits （限制）,Dept. of Medic

7、al Information,18,Limits：限定检索词在文献某部分出现(字段限定检索),Dept. of Medical Information,19,Limits：限定检索词在文献某部分出现（字段限定检索）,Dept. of Medical Information,20,Limits：限定文献类型、语种、出版日期、年龄、性别、研究对象等,Dept. of Medical Information,21,用Limit限止“年令、性别、人类或动物、出版物类型” 会排除“premedline” 和 “supplied by publisher” 子集中的文献,Dept. of Medical

8、Information,22,Preview/Index（预览/索引）,Dept. of Medical Information,23,Preview/Index Preview:预览检索结果,Dept. of Medical Information,24,Preview/Index Index:在索引词表中选择检索词,Lead poisoning,Dept. of Medical Information,25,Preview/Index Pubmed的索引可以分字段显示,Lead poisoning,选择字段,Dept. of Medical Information,26,History（显

9、示检索史、逻辑运算）,最多存贮检索式数为100个，存贮时间为8小时。,Dept. of Medical Information,27,Clipboard （剪贴板）,Dept. of Medical Information,28,Clipboard （剪贴板）,最多存放500条，保存时间为8小时,Dept. of Medical Information,29,Details （明细栏）,Dept. of Medical Information,30,列出系统实际运行的检索式和检索词,Dept. of Medical Information,31,PubMed智能检索词语自动匹配检索,对于输入检

10、索框中的非限定检索词，系统将依次到MeSH词转换表、刊名转换表、短语表以及作者索引表中进行词语匹配查找。 检索词加入任何限定（截词, 字段限止, 引号等）自动匹配检索功能关闭 例： heart diseaseti heart disease?ti “orld War I”,Dept. of Medical Information,32,自动匹配检索功能关闭,Dept. of Medical Information,33,Pubmed功能键,Dept. of Medical Information,34,五、主题词检索（MeSH Database）,Dept. of Medical Inform

11、ation,35,医学主题词表 （Medical Subject Headings, MeSH）,主题词字顺表 副主题词表 主题词树状结构表（分类表）,Dept. of Medical Information,36,主题词字顺表,Dept. of Medical Information,37,副主题词表(Subheadings),Abnormalities、Administration & Dosage、Adverse Effects、 Analysis、Anatomy & Histology、Biosynthesis、Blood、 Complication、Congenital、Cytolo

12、gy、Diagnosis Diagnosis use、Diet therapy、Drug therapy、Epidemiology、 Etiology、Genetics、Immunology、Injuries、Metabolism、 Microbiology、Mortality、Pathology、Psychology、 Surgery、Therapeutic Use、Therapy.,Dept. of Medical Information,38,主题词的树状结构(Tree Structures),Dept. of Medical Information,39,例:肝癌的手术治疗,Dept.

13、 of Medical Information,40,Dept. of Medical Information,41,Dept. of Medical Information,42,Dept. of Medical Information,43,例:胃肿瘤的CT诊断,Dept. of Medical Information,44,Dept. of Medical Information,45,Dept. of Medical Information,46,Dept. of Medical Information,47,全部副主题词,Dept. of Medical Information,48

14、,Dept. of Medical Information,49,注意: 主题词检索会排除“premedline” 和 “supplied by publisher” 子集中的文献,Dept. of Medical Information,50,六、检索结果处理,Display(显示) Sort(排序) Send to(输出),Dept. of Medical Information,51,1. Display检索结果显示,Dept. of Medical Information,52,Summary格式（默认格式）,文献标记,Dept. of Medical Information,53,A

15、bstract格式,全文链接,Dept. of Medical Information,54,Dept. of Medical Information,55,2. Sort By检索结果排序(按默认),默认:按PMID号排序 (PMID:Pubmed文献标识号),Dept. of Medical Information,56,2. Sort检索结果排序(按作者),Dept. of Medical Information,57,3. Send to检索结果的输出,Send to text:保存当页显示的记录 Send to file:可保存全部记录 Send to RSS Feed:检索结果的R

16、SS订阅,Dept. of Medical Information,58,七、其他辅助检索工具,Dept. of Medical Information,59,1、期刊数据库（Journal Database）,可以从期刊的名称(全称或缩写)、ISSN号来查找期刊信息。 主要用途：查期刊全称。 例：,Dept. of Medical Information,60,检索期刊“JAMA”的全称,Dept. of Medical Information,61,JAMA检索结果,链接到JAMA网站,检索刊登在JAMA上的文献,Dept. of Medical Information,62,2. 临床问

17、题（Clinical Queries）,Search by Clinical Study Category 专为临床医生设计的查找有关某一疾病的治疗、诊断、病因、预后等与临床密切相关问题的文献。 Find Systematic Reviews 检索系统评价(循证医学证据),Dept. of Medical Information,63,3. 引文匹配器（Citation Matcher）,引文匹配器可通过已知的刊名、日期、卷、期、首页码、作者名等任一项信息查找文献的详细信息。 经常用于核对参考文献。,Dept. of Medical Information,64,查找引文信息,1、Gene T

18、herapy, 1999, and the title words, mitochondrial gene therapy. 2、Arthritis Rheum, 1982, page 1271 3、V. Lee, Biochemical Pharmacology, vol. 29, issue 14 4、A powder formulation of measles vaccine for aerosol delivery,Dept. of Medical Information,65,Dept. of Medical Information,66,八、Pubmed的链接功能,相关文献链接 全文文献链接 NCBI数据库链接 外部资源链接,Dept. of Medical Information,67,相关文献链接(Related Articles),Dept. of Medical Information,68,全文文献链接,Dept. of Medical Information,69,NCBI数据库链接,Dept. of Medical Information,70,外部资源链接(Link Out),Dept. of Medical Information,71,九、个性化设置（My NCBI),My NCBI功能： 检索策略保存 追踪某一个学科专题的进展情