It includes a site visit to select the sites before the study starts. ATASEHIR CRO is predictive in site selection with its past experience. One of the most important factors affecting the success of the clinical study is the correct site selection. ATASEHIR CRO conducts the necessary site selection visit, evaluates the suitability of the physician and site related to the project, has the site complete the necessary forms in accordance with the ATASEHIR CRO study instructions and writes the relevant feasibility report and submits it to the study sponsor.