Ghazaleh, S., C. Nehme, Y. Khader, S. Hasan, and A. Nawras. “Combined Achalasia and Cricopharyngeal Achalasia in a Patient With Type 1 Myotonic Dystrophy: A Case Report”. Gastroenterology and Hepatology from Bed to Bench, vol. 13, no. 2, Mar. 2020, pp. 181-3, doi:10.22037/ghfbb.v13i2.1799.