If Ive seen further its by standing upon

คนแคระบนบายกษ "If I’ve seen further, it’s by standing upon the shoulders of giants. " Isaac Newton 2

Pub. Med The Bibliographic Database

What is Pub. Med? n Pub. Med is a database developed by the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM) of the National Institutes of Health (NIH) 4

What is Pub. Med? Designed to provide access to citations (with abstracts) from biomedical journals n Subsequently, provide access to full-text journal articles at web sites of participating publishers and other related Web resources n 5

Pub. Med's Home Page: pubmed. com 6

Start Searching • To search Pub. Med, you can simply enter search terms in the query box then click Search 7

How It Works n n n Pub. Med uses an Automatic Term Mapping feature to search for unqualified terms Pub. Med will look for a match in up to 3 lists. 1. Looks for a match in the Me. SH Translation Table 2. If it doesn't find a match, it looks in the Journals Translation Table 3. Finally looks in the Author Index As soon as Pub. Med finds a match, the mapping stops (i. e. if a term matches in the Me. SH Translation Table, Pub. Med does not continue looking in the next table) 8

What is Me. SH? n n n Medical Subject Headings (Me. SH) is the authority list of the vocabulary terms used for subject analysis of biomedical literature at NLM, indexing journal articles for Index Medicus® and MEDLINE and cataloging books and audiovisuals Me. SH imposes uniformity and consistency to the indexing of biomedical literature Me. SH terms are arranged in a hierarchical categorized manner called Me. SH Tree Structures and are updated annually 9

The Me. SH Hierarchy n n Example: the term, Face ¨ The narrower terms indented under the broader terms When Pub. Med searches a Me. SH term, it will automatically include narrower terms in the search. This is also called "automatic explosion" n Face ¨ Cheek ¨ Chin ¨ Eye n n Eyebrows Eyelids ¨ Eyelashes ¨ Forehead ¨ Mouth n Lip ¨ Nose 10

Me. SH Translation Table n Search term: gallstones ¨ "Gallstones" is an entry term for the Me. SH term "cholelithiasis" in the Me. SH translation table ¨ Search translated to: "cholelithiasis" [Me. SH Terms] OR gallstones [Text Word] 11

Me. SH Translation Table n n When a term is searched as a Me. SH term, Pub. Med automatically searches that term plus the more specific terms underneath in the Me. SH hierarchy: Search term: breast cancer ¨ "Breast cancer" is an entry term for the Me. SH term "breast neoplasms" in the Me. SH translation table ¨ "Breast neoplasms" has the specific headings "breast neoplasms, male", "mammary neoplasms, experimental", and "phyllodes tumor", all of which are also searched 12

Thai Index Medicus http: //cuml. md. chula. ac. th/index. shtml

สวรส. HSRI http: //kb. hsri. or. th

ม. อ. https: //clib. psu. ac. th

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Literature Search Web sites • Thai Index Medicus: รวบรวมบทความจากวารสารทางการแพทยภาษาไทย (http: //cuml. md. chula. ac. th/index. shtml คมอ : http: //library. md. ch ula. ac. th/guide/Thai. Index. Med. pdf) • Pub. Med: รวบรวมบทความจากวารสารทางการแพทยภาษาองกฤษ (www. pubmed. com คมอ : http: //www. ncbi. nlm. nih. gov/books/NB K 3827/#pubmedhelp. Pub. Med_Quick_Start) • Google Scholar: Google's scholarly literature search (https: //scholar. google. com Help: https: //scholar. google. com/intl/en/s cholar/help. html)

คนแคระบนบายกษ "If I’ve seen further, it’s by standing upon the shoulders of giants. " Isaac Newton 48