This application is a very useful in general surgery. All the questions asked has a detailed explanation and some added reference for supplementary reading. The residents bring the explanation and references from Lehigh Valley Health Network and Cedar Sinai Medical Center ? Los Angeles. Hence , this review is for residents by resident. Medical students studying surgery clerkship can avail many benefits from this knowledge sharing iPhone application. It can also be of countless advantage to any surgeon who wants to keep up with their general surgery information. This medical surgery knowledge app is made for both iPhone and iPad.