Dr. Sam Sultan disagreed with the way I described his article in the recent issue of The Journal of Halacha and Contemporary Society (link) and sent the following clarification of his position:
The article explores the topic of "Shomer-Shabbos residency" -specifically whether a medical student should undergo his/her residency training only at a program that will guarantee that he/she will not have to work on Shabbos. Instead of the more popular halachic discussion of how a doctor should act in a hospital on Shabbos, the article addresses the hashkafic dilemma of whether physicians-in-training should place themselves in a challenging situation of possible conflict for the sake of pikuach nefesh, saving life. Given the controversial nature of the issue, the authors shy away from a prescriptive conclusion, in favor of discussing relevant sources and then presenting the opinions of various contemporary poskim.See also these posts: I, II.