What is a systematic literature search of multiple databases? – Pubrica

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            A systematic literature search is a process of searching literature in a structured and pre-planned manner, and it is considered to be a critical component of the review process as it demands careful consideration of search terms (See Table 1), selection of databases, systematic search studies, and the process requiresto reflect on the search findings obtained during the process. Systematic search studies are aimed at identifying a transparent report of the research, and this process can make the readers know about the review, what was done to determine the report and how the collected evidence supports the systematic review. The primary advantage of using a systematic literature review has a higher chance of avoiding bias, and as well the process allows in enabling to identify the literature gaps in the primary or existing research. Thus, through preventing the risk of bias, the search studies become reproducible.

Selection of relevant databases:

 After choosing keywords for a systematic search study, now the author has to select the appropriate databases that give relevant research studies to the formulated question.

See Also:What is the formulation of the research question in systematic review?

There are a couple of different databases and search tools available for literature search, and at this point,it is always good to search in multiple databases that can supplement each other. The different databases include

• Bibliographical databases:This database will have everything about a topic, a person,a geographical area, institution, etc.
• Library databases:It reflects what can be physically and electronically found through one or more libraries.
• Journal databases:This database is commonly consisting of published journals from a specific supplier.
• Specialized databases:This databasewill have grey literature, conference papers, compositions,OA repositories, artefacts, etc.

               Another critical point is to focus on the subject area, rather than considering the physical location and the form of data and the author probably know the extensive databases within the subject area. Still, it is advised to check the data provided by the individual databases, so that the author can be aware of the database has a bias towards geographical literature difference. To avoid such bias, the author need answers for the question includes

• Are there limitations concerningdifferent regions or languages,e.g. French, German, Russian, etc. covered?
• Does the database has coveredthe past enough for your purposes?
• How quickly does the database gets updated regarding the registration of the recent literature?

Selection of keywords that should be used for the search:

              By using this principle in choosing the keywords, for instance, keywords can be rated between specific and important to general and unimportant, as the rated keyword can be incorporated in the search strategy. Thus the general and unimportant keywords help in avoiding bias and overlapping elements.

A search of multiple databases:

                   In general, combined, or multiple database searchesare defined as the search study across multidisciplinary reporting thatcarries its advantages, and it is for studies,mainly if your work is interdisciplinary.But it is highly recommended to use of multiple databases along with added search strategies(like developing search terms, controlled vocabulary terms, search fields, phrase searching, search limits and making search syntax for different databases) to search relevant references for conducting a systematic review.

Translation between databases:

                  Multiple database search had to be done to retrieve as many relevant references as possible and translating complicated and exhausting findings between databases will be time-consuming and burdensome. To overcome that burden and save time, Erasmus University Medical Center developed to find and replace method for biomedical and health science questions. Using the five different macros, a search can be translated relatively quick into eight significant databases, and the dotted lines represent databases that are used in less than 80% of the searches.

                Pubrica provides support in writing a systematic review on biomedical or healthcare areas such as public health interventions, environmental interventions, adverse effects, clinical trials, and social interventions and offers you complete support across a variety of journals, publications, and books. Our technical expert team provides complete support from translating your concept to incisive report, and we will be with you through the entire publication stages.

Reference: https://pubrica.com/services/research-services/systematic-review/

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