Research models are routinely used in the biomedical field when we are talking about assays. All these models have advantages and limitations and should be chosen carefully, to avoid, mainly, mistakes in ethical practices. However, it is a great challenge for researchers picking and classifying their experimental models due to the lack of clear literature definition or guidelines. Here, we pioneer describe the overall definition of the main research models and give a gamut of examples from the biomedical field. This review also provides recommendations for aligning experimental practices to meet the necessity of assessing an international research model classification.
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