Search Methods Workshop Payam Kabiri MD Ph D

Search Methods Workshop Payam Kabiri, MD. Ph. D. Epidemiologist

Literature Review What is Literature? n What is Literature Review? n What kind of Literature do we have? n When the Literature review should be down? n When to use Literature in proposals? n How to refer to the used Literature? n

Steps of Literature Review 1) Problem formulation & Keyword extraction ¨ 2) Literature search ¨ 3) Specify the topic or field you want to search about & extract its main concepts as keywords. Using the keywords specified in step one, we will search all the relevant available resources. Paper evaluation ¨ Appraise the found literature & select those valid ones.

Information Resources (Basic Knowledge) ﺩﺍﻧﺶ پﺎﻳﻪ n (Books) کﺘﺎﺏﻫﺎ (Updated Knowledge) ﺩﺍﻧﺶ ﺭﻭﺯآﻤﺪ n (Periodicals) ﻣﺠﻼﺕ ﻭ ﻧﺸﺮﻳﺎﺕ ﺍﺩﻭﺍﺭی

So you work in a job which: Its half-time (half-life) is 6 months, & n Its doubling-time is 20 month n n You works in a ever-changing & evergrowing profession ! n So you should keep updating !

Information Resources • Local Data www. barakatkns. com www. magiran. com www. irandoc. ac. ir www. isc. gov. ir www. sid. ir • International Data www. pubmed. com

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 n General Databases (Comprehensive OR Core Databases) n Specialized Databases (Subjects Specified Databases)

General Databases (Comprehensive OR Core Databases) n Medical Sciences ¨ Medline ¨ Embase n All Sciences ¨ Scopus ¨ Web of Science

Specialized Databases (Subjects Specified Databases) Biological Abstracts n International Pharmaceutical Abstract n Psych. Info n CINAHL n Chemical Abstracts n Agricola n Econlite n

Citation Databases n Web of Science n Scopus n Google Scholar ¨ (http: //scholar. google. com)

آﺸﻨﺎﻳی ﺑﺎ ﺑﺎﻧﻚ ﺍﻃﻼﻋﺎﺗﻲ ﻣﺪﻻﻳﻦ Index Medicus National Library of Medicine (NLM)

Medline n 1966 up to now n A National Library of Medicine (NLM) Product n The most used database by Medical Researchers throughout the world

Medline Database n 3200 Journal First & Now +5600 Journal n More 250, 000 Paper Year n 75% of the Whole Printed English Papers throughout the world n Over 28, 000 Records Till Now

ﺳﺎﺧﺘﺎﺭ ﺑﺎﻧﻚ ﺍﻃﻼﻋﺎﺗﻲ ﻣﺪﻻﻳﻦ n Records ¨ Fields Titles (Ti) n Authors (Au) n Source (So) n Journal Name (Jn) n Main Abstract (MA) n Medical Subjects Headings (MESH) n ……………………… n

آﺸﻨﺎﻳی ﺑﺎ ﺑﺎﻧﻚ ﺍﻃﻼﻋﺎﺗﻲ ﻣﺪﻻﻳﻦ n Search Methods 1. 2. 3. n Find (Search) Thesaurus (Me. SH) Index Output Options 1. 2. 3. 4. View Download Print Email

Boolean Logics Shaded areas indicate retrieval Search Statement Types of records retrieved stress AND anxiety Documents that have both stress AND anxiety stress OR anxiety Documents that have either stress OR anxiety stress NOT anxiety Documents that have stress but NOT anxiety

http: //www. pubmed. com http: //www. ncbi. nlm. nih. gov/

E Journals Payam Kabiri, MD. Ph. D. Epidemiologist Department of Epidemiology & Biostatistics School of Public Health Tehran University of Medical Sciences

E-Products of New Era w E-Journals w E-Books w E-Images w E-Data w E-Commerce w E-Government w E-Medicine w E-Learning 26

ﻣﺠﻼﺕ ﺍﻟکﺘﺮﻭﻧﻴک ﺑﺮﺣﺴﺐ ﺳﻄﻮﺡ ﺩﺳﺘﺮﺳﻲ 1 -Table of Content (TOC) 2 -Table of Content + Abstracts 3 -TOC + Abstracts + Full texts 30

Users Authentications n Individual: n User Name & Password Authentication n Instutional: n IP 32 Based Authentication

How to gain access to … ? n How to gain access to electronic resources while we are far away from university? n Two ways: 1. VPN (Virtual Private Network) 2. Direct logins to Resources (Like Scopus, Science. Direct, Web of Science, …) 33

Electronic Journals & Collection n n n n 34 Elsevier Science Springer Nature Wiley Blackwell Proquest BMJ Sage Ebsco …

Elsevier Science Direct n Science. Direct covers about 24. 4% of the world’s full-text scientific, technical and medical (STM) information across 24 fields of science.

DOI Digital Object Identifier (DOI) n Unique code for each digital resource n www. doi. org n n 36 Resolve this DOI: 10. 1002/ddr. 20102

What is Journal Impact Factor? It is primarily invented to screen those high quality journals into be included in ISI Web of Science database. n The average citation frequency for articles published in a journal, or how many times, on average, during the study year the articles that appeared in the 2 preceding years of that journal received citations in other (ISI) indexed journals only. n

Impact Factor Formula & Calculations n Suppose there is a journal, published some papers in 2014 & 2015: Item 2014 2015 Total Papers Published 130 170 300 Citations Achieved in 2016 360 240 600

Impact Factor Calculation n Citations in the current JCR year to articles published in the previous two years divided by the number of articles published in the previous two years. Citations in 2016 to articles published in 2014 + 2015 IF= Total 2014 + 2015 Papers

The Journal Impact Factor n The Journal Impact Factor is calculated for those journals only which are indexed & included in Web of Sciences Databases, NOT more, So ISI Indexing Having IF n Except ….

How to Find Impact Factors? n The database which contain the Journal Impact Factors is Journal Citation Report abbreviated JCR available at: ¨ https: //jcr. incites. thomsonreuters. com/ Or Directly from Journal Citation Report Database through ISI. n This site is available only through university internet access. n