Total Intravenous Anesthesia versus Spinal Anesthesia: Postoperative Deep Vein Thrombosis

I want this paper to compare TIA vs Spinal Anesthesia. I have to have three subtopics. Maybe comparing heal time would be a good subtopic, up to you. Attached will be explicit details on how to outline, annotated bib, and paper need to be. . THE SOURCES MUST BE WITHIN 9 YEARS OF BEING PUBLISHED.