Phrenic Nerve Impingement and Effect of Superficial Neck Flexors Stretching in Improving Diaphragmatic Function among Patient with Chronic Neck Pain. IARS INT RES J [Internet]. 2023 Feb. 8 [cited 2024 May 8];13(01). Available from: https://researth.iars.info/index.php/curie/article/view/228