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Surgery - Wikipedia
What Happens in Surgery - A Guide on What To Expect - WebMD
Minimally invasive surgery - Mayo Clinic
Surgery | Definition, History, Type, & Techniques | Britannica
What You Should Know About Surgery - Verywell Health
Surgery: Types, Risks and Preparation | US News
Surgery: MedlinePlus
Types of Surgery | Johns Hopkins Medicine
Quick Facts:Surgery - Merck Manual Consumer Version
Surgery - Overview - Mayo Clinic