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Primary Sources in science typically report facts about discoveries, observations, experiments and tests. Examples include published results of research studies, scientific experiments and clinical trials, and proceedings of conferences and meetings
Secondary Sources analyze and interpret research results and scientific discoveries. Examples of these include publications about the significance of research or experiments, analyses of clinical trials, and reviews of the results of several experiments or trials.
In the ScienceDirect database, primary and secondary are distinguished by the labels Original Research Article and Review Article, as shown below.
The following steps outline a simple and effective way for finding information for a research paper and citing the sources you find.
The link below will help you refine your research topic.