Forbidden

https://akinohanayuki.hatenablog.com/entry/2019/06/25/Preoperative_Oral_Antibiotic_Prophylaxis_Reduces_Surgical_Site_Infections_After_Elective_Colorectal_Surgery%253A_Results_From_a_Before%25E2%2580%2593After_Study は非公開に設定されています。