Hypothyroidism among Patients Visiting the Department of Biochemistry in Central Laboratory of a Tertiary Care Center: A Descriptive Cross-Sectional Study oleh Buddhi Raj Pokhrel, Amit Chandra Jha, Rachita Ghimire, Jharana Shrestha, Binaya Tamang, Narayan Gautam, Tapeshwar Yadav, Sakar Babu Gharti