Alansari, Mariam A., and Fadi Aljamaan. “A Proposed Novel Ultrasound-Guided Percutaneous Dilatational Tracheostomy Technique - the in-Plane Wire-in-Needle Approach: Study Design and Rationale for Multicenteric Randomized Controlled Clinical Trial”. International Journal of Clinical Trials 3, no. 1 (February 14, 2016): 32–36. Accessed October 6, 2025. https://www.ijclinicaltrials.com/index.php/ijct/article/view/102.