Breunig, Michael, Ryan Kingsley, Darrell Schroeder, Jason Kraus, Corbin Plooster, Tiffany Galush, Laura Boldenow, et al. “The Effect of Peyton’s Four-Step Method for Teaching Point-of-Care Ultrasound Psychomotor Skills: An Experimental Study”. The Ultrasound Journal 17, no. 1 (November 11, 2025): 58. Accessed January 30, 2026. https://mattioli1885journals.com/index.php/theultrasoundjournal/article/view/18225.