Making PubMed Searching Simple- Learning to Retrieve Medical Literature Through Interactive Problem Solving.doc

Making PubMed Searching Simple: Learning to Retrieve Medical Literature Through Interactive Problem Solving 作者: Beatriz Vincenta, Maurice Vincentb, Carlos Gil Ferreiraa 【 关键词】 MEDLINE,•,PubMed,•,Medical,subject,headin gs,•,MeSH,,•,Evidence- based,medicine,•,Education,,medical ABSTRACT Searching the literature has a direct, beneficial influence on patient care. The amount of medical scientific information has increased toa great extent, ent astering searching interfaces. From a problem- oriented approach, concepts like MEDLINE coverage, PubMed resources, Boolean logic, search strategies, and EDLINE coverage, PubMed resources, Boolean logic, search strategies, and ain topics: (a) ho Greenhalgh [3] and Ebbert and colleagues [4] 收集与整理,。 to create seven online examples using the same problem-oriented approach they presented. HOEDLINE, the ost monly used biomedical database [6], ber of journal articles. Its relevance is described fully on the NLM ed isa. As a search engine, it receives a search request, pares it atch user submitted key ents; fields required by MEDLINE include Title, Author(s), Affiliation, Abstract, Language, Publication Date, Journal Title, and Medical Subject Heading (MeSH) terms (Fig. 1). The MeSH field contains terms chosen from among 22,568 descriptors defined by the NLM. The MeSH vocabulary is continually upd