The course is designed for students with a basic grounding in epidemiological methods and concepts and/or some prior knowledge of pharmacoepidemiology. During this course students will: Develop their knowledge of pharmacoepidemiological concepts and methods, with a particular focus on database studies. Gain practical experience of testing study feasibility and performing analyses in STATA, using primary care data from the Clinical Practice Research Datalink (CPRD) (prior experience of STATA not required). Gain an understanding of biases and other sources of error that can occur in pharmacoepidemiology studies, and strategies to avoid them.