This presentation gives a brief idea of PubMed. What it is and how to access it.

1. Alicia Tiny
Msc Biotechnology

2. 2
What is PubMed
PubMed
Vocabulary
Searching
PubMed
Advantages and
disadvantages

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. 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. 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. 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. 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

8. 8

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. What is the methodology for an efficient search
10

11. Searching PubMed
◉ ◉ In homepage we can search
our topic.
◉ Advanced search option is
available to get a more
sophisticated result.
11

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. Filters
13

14. 14

15. 15

16. Result
16

17. Additional tools
◉ PubMed provides additional
tools like
◉ Clinical queries
◉ Single citation matcher
◉ These tools help to search
more efficiently
17

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. 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. 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. THANKS!
21