Obtain, abstract, and code clinical information from multiple sources (medical records, research records, etc) for research participants in order to enter data into study specific data capture systems, and to document, assess, and report adverse events and safety data to study investigators, sponsors, IRB's and other regulatory authorities when applicable. Work with monitors and sponsors to facility study site visits, and, and with limited guidance to develop and implement corrective action plans to ensure protocol adherence, and data integrity, and to resolve queries in a timely manner.