Changes in lymph node surgery in breast cancer and preoperative drug prescription analysis for postoperative pain management: A retrospective, cross-sectional study. - Kang, Eun Sol; Lim, Yu-Cheol; Jang, Bo-Hyoung; Lee, Yoon Jae; Ha, In-Hyuk; Lee, Ye-Seul (PLoS ONE, 2024)