71nkM64nlDL._UF1000,1000_QL80_.jpg。First Aid for the USMLE Step 1 2021, Thirty First Edition。First Aid™ Cases for the USMLE Step 2 CK (First Aid USMLE。First Aid Cases for the USMLE Step 1 あまり使用してないので、キレイな状態です。。First Aid USMLE Step 1 Questions & Answers: Over 1500 MUST