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PubMed

  1. 1. Alicia Tiny Msc Biotechnology
  2. 2. 2 What is PubMed PubMed Vocabulary Searching PubMed Advantages and disadvantages
  3. 3. What is PubMed ◉ PubMed is an interface for searching biomedical and life sciences journal articles and other related content ◉ PubMed was developed by National Centre for Biotechnology (NCBI) at the US. National Library of Medicine (NLM) located at the National Institute of Health (NIH). ◉ It was made accessible cost free to the world by former American Vice President AI Gore. It was made available to the public from 1996. 3
  4. 4. PM was developed from two journals 1. Proceedings of the National Academy of Sciences (PNAS) 2. Molecular Biology of the cell PMC mainly contain MEDLINE database of references and abstracts on life science and biomedical topics 4
  5. 5. PubMed is an index to articles published. An index contains bibliographic details of articles , the common details include about the ◉ Author ◉ Title ◉ Journal details ◉ Abstracts 5
  6. 6. PubMed Vocabulary ◉ Medical subject heading( MeSH) ◉ MeSh is the authority list of the vocabulary term used to index articles inside the data base. Its similar to a thesaurus of medical terms. • It is a vocabulary that gives uniformity and consistency to the indexing and cataloging of biomedical literature. • arranged in a hierarchical manner called the MeSH Tree Structures. • It is updated annually. 6
  7. 7. PubMed Website The PubMed website design and domain was updated on January 2020 and became default on 15 May 2020, with the updated and new features. The old PubMed is called Legacy PubMed. The latest PubMed website has new retrieval features : They have improved sensors of the word we have entered to search ◉ Search synonyms for the entered search ◉ Enhanced British/American mapping ◉ Truncate the terms which they find appropriate ◉ Result are provided based on best match 7
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  9. 9. Searching PubMed ◉ The PubMed website is made user friendly to facilitate easy search. ◉ Simple searching can be carried by entering key aspects of a subject into PubMed’s search window. PubMed translates this search adds fields names relevant MeSH, Boolain operators and MeSH terms. 9
  10. 10. What is the methodology for an efficient search 10
  11. 11. Searching PubMed ◉ ◉ In homepage we can search our topic. ◉ Advanced search option is available to get a more sophisticated result. 11
  12. 12. Searching PubMed ◉ The results obtained is called records in PubMed. ◉ It contains the citation. ◉ PubMed does not provide the full article. The article will be available through the published website 12
  13. 13. Filters 13
  14. 14. 14
  15. 15. 15
  16. 16. Result 16
  17. 17. Additional tools ◉ PubMed provides additional tools like ◉ Clinical queries ◉ Single citation matcher ◉ These tools help to search more efficiently 17
  18. 18. Advantages of PubMed ◉ Makes all contents free to read. It also provides copyright protection. ◉ It stores content in extensible Markup Language. PubMed represents the structure and meaning of a document in a relatively simple and human readable form. ◉ All the content is operated by NLM, it provides a framework to maintain copies of the PMC corpus. ◉ PubMed facilitated long term preservation of the scientific literature 18
  19. 19. Disadvantages of PubMed ◉ Citation searching is not available. ◉ It encourages superficial engagement with the literature. ◉ PubMed can be a dubious source of diagnostic assistance. 19
  20. 20. Reference ◉ https://mdanderson.libguides.com/pubmed ◉ Welch medical library , https://www.youtube.com/watch?v=1otz5qrUbxo ◉ https://pubmed.ncbi.nlm.nih.gov/about/ 20
  21. 21. THANKS! 21

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