Pauli, R, JW Huber, G Duncan, and KP Shotliff. “Training Evaluation of a Course in Diabetic Retinopathy Screening”. International Diabetes Nursing 2, no. 2 (October 1, 2005): 58–62. Accessed May 18, 2024. https://internationaldiabetesnursing.org/index.php/idn/article/view/33.