Erum Afzal, Muhammad Sohail Arshad, Waqas Imran Khan. Frequency of Thyroid Dysfunction and Congenital Heart Defects in Subjects with Down Syndrome. JRMC [Internet]. 2021 Jun. 30 [cited 2024 Apr. 23];25(2). Available from: http://www.journalrmc.com/index.php/JRMC/article/view/1560