Li, Yuxuan, et al. “Effectiveness of Obstetric Point-of-Care Ultrasound (POCUS) Training: A Systematic Review and Meta-Analysis Based on the ADDIE Training Model”. The Ultrasound Journal, vol. 17, no. 1, Dec. 2025, p. 67, https://doi.org/10.1186/s13089-025-00471-z.