The document outlines the basic steps and principles of clinical research in surgery. It defines research and describes the inductive and deductive approaches. Research aims to advance medical knowledge and improve patient care. The main types of research are basic science, clinical, translational, and applied. Clinical research involves studying patients and health outcomes to identify areas for improvement. Key steps include developing objectives and protocols, obtaining ethical approval, collecting and analyzing data, and disseminating findings. Important principles are informed consent, safety, validity, transparency, and avoiding bias and plagiarism.