Uthaicharatratsame, MD C, Sahajarupat, MD S, Adullayathum, MD T. Accuracy and Reliability of Combining a Smartphone and a Digital Angle Ruler Technique to Assist Acetabular Cup Placement: A Pelvic Model Study. JseaOrtho [Internet]. 2022 Mar. 8 [cited 2025 May 6];43(3-4):8-14. Available from: http://27.254.142.215/index.php/jsao/article/view/46