Search Workshop Payam Kabiri, MD. PhD. Epidemiologist Department of Epidemiology & Biostatistics School of Public Health Tehran & Isfahan Universities of Medical Sciences Literature Review What is Literature? What is Literature Review? What kind of Literature do we have? When the Literature review should be down? When to use Literature in proposals? How to refer to the used Literature? مرورمتون جستجو و تحليل نظاممند منابع (اعم از مقاله، کتاب ،پاياننامه و )...که دريک زمينه موضوعی خاص منتشر شده است. اهميت مرورمتون مرورمتونبراساسموضوعپژوهشصورتمیگيردودرموارد زيربهکارمیرود: درتهيهپروپوزالطرحتحقيقاتی مقدمه وبيانمساله درتنظيمگزارشنهايیومقاله مقدمهوبحث سايرمواردمانند... Steps of Literature Review Problem formulation which topic or field is being examined and what are its component issues? Literature search finding materials relevant to the subject being explored Data evaluation determining which literature makes a significant contribution to the understanding of the topic Analysis and interpretation discussing the findings and conclusions of pertinent literature Information Resources (Basic Knowledge) اطالعاتپايه (Text book)کتابهایمرجع (Updated Knowledge) اطالعاتروزآمد (Periodicals) مجالتونشرياتادواری Information Resources Print Materials Electronic Materials Information Resources • Local Data www.iranmedex.com www.magiran.com www.irandoc.ac.ir www.srlst.com www.sid.ir •International Data www.pubmed.com Print Materials Journals & Papers Indexes Dissertations & Thesis Abstracts of Seminars Books & Booklets Bibliographic database A bibliographic or library database is a collection of bibliographic information. May contain information about papers, books and other materials held in a library. Databases General Databases (Comprehensive OR Core Databases) Specialized Databases (Subjects Specified Databases) General Databases (Comprehensive OR Core Databases) Medical Sciences Medline Embase Scopus All Sciences Web of Sciences Specialized Databases (Subjects Specified Databases) Biological Abstracts International Pharmaceutical Abstract PsychInfo CINAHL Chemical Abstracts Agricola Econlite Citation Databases Web of Science Scopus Google Scholar Electronic Journals & Collection Elsevier Science Ovid Blackwell Science Oxford university Press Springer Proquest Ebsco آشنايی با بانك اطالعاتي مدالين Index Medicus National Library of Medicine (NLM) Dr. John Shaw Billings John Shaw Billings (US Army general Surgeon) Director of the NLM established Index Medicus. Index Medicus Making: Author Index Subject Index They call it: Index Medicus آشنايی با بانك اطالعاتي مدالين Medical Literature Analysis And Retrieval System MEDLARS آشنايی با بانك اطالعاتي مدالين MEDLARS ONLINE MEDLINE آشنايی با بانك اطالعاتي مدالين بان ك ك ككداطالع ك ك ككاتسم ك ك ككد ي دروا ك ك ككعه ك ك ككانن ك ك ك ك ه الکتروني ككکاين ككدچام ككديهوس ككا ساس ككتک ككه ب ككه ص ك ك ك ك ك ك ككورتن ك ك ك ك ك ك ك ه ك ك ك ك ك ك ك د وي ك ك ك ك ك ك ككاوبمنتش ك ك ك ك ك ك ككر مسشود. Medline 3200 Journal First & Now +4900 Journal More 250,000 Paper per Year 75% of the Whole Printed English Papers throughout the world Over 17,000,000 Records Till Now Medline 1966 up to now A National Library of Medicine (NLM) Product The most used database by Medical Researchers throughout the world Medline Publish more than 800 papers per day Covers Medical, Dental & Nursing papers In 2006, 4,928 journals are currently indexed for MEDLINE Available online through web since 1971. آشنايی با بانك اطالعاتي مدالين Records Fields Titles (Ti) Authors (Au) Source (So) Journal Name (Jn) Main Abstract (MA) Medical Subjects Headings (MESH) ……………………………………………… آشنايی با بانك اطالعاتي مدالين Search Methods 1. 2. 3. Find (Search) Index Thesaurus (MeSH) Output Options 1. 2. 3. 4. View Download Print Email آشنايی با بانك اطالعاتي مدالين Operators AND OR NOT ADJ 1. 2. 3. 4. Boolean Logics Shaded areas indicate retrieval Search Statement Types of records retrieved stress AND anxiety Documents that have either stress AND anxiety stress OR anxiety Documents that have both stress OR anxiety stress NOT anxiety Documents that have stress but NOT anxiety Truncation For singular, plural or word-roots findings. Examples: child* will retrieve children, childhood, childlike adolescen* will retrieve adolescent, adolescence, adolescently derm* will retrieve dermal, dermatitis, dermatology, dermoid, dermatologist, dermatopathologist, … Be very careful of small word roots when looking for plurals… cat* rat* catastrophe rational cataract ratify category ratio Rather use: (cat OR cats) (rat OR rats) Some comparisons between the MEDLINE of 1971 & the MEDLINE of today Items 1971 2006 Indexed Journals 239 4,928 Users 25 77,000,000 unique visits & about 800,000,000 searches Server an IBM 360/50 mainframe computer on 20 Dell PowerEdge, 2 CPU 8Gb RAM, with the Linux operating system PubMed PubMed is available via the NCBI Entrez retrieval system. It was developed by the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), located at the National Institutes of Health (NIH). MEDLINE Facts Producer National Library of Medicine, Washington, DC. Subjects medicine, dentistry, nursing, preclinical sciences, health care systems, veterinary medicine Size 4500+ journals indexed; 14 million references Scope Journals from 70 countries (>50% US) Languages 30+ Abstracts included for >75% of references; author-written Coverage 1966 – present PubMed & Medline Data Total Records Dates Covered Indexed Records Added PubMed 17,887,371 1949-present Medline 16,488,995 1966-present 14,177 In Process 239,052 OldMedline 451,105 1949-1965 About 1,800 Chart last updated: April 7, 2008 How to refer to the used Literature? International Committee of Medical Journal Editors (www.icmje.org) Uniform Requirements for Manuscripts Submitted to Biomedical Journals Sample References (Vancouver) www.nlm.nih.gov/bsd/uniform_requirements.html http://www.pubmed.com http://www.ncbi.nlm.nih.gov/ http://www.tums.ac.ir/ http://diglib.tums.ac.ir/ http://scholar.google.com How to see where a journal is indexed? To check in which database a journal is indexed & where we can find its full text, search your journal name in these websites: http://jake.openly.com/ http://journalseek.net/ ! بزنیدEmail اگرمیلداشتید payam.kabiri@gmail.com