Nanda, Rachita, Suprava Patel, Sibashish Sahoo, and Eli Mohapatra. 2018. “Review of Pre-Analytical Errors in Oral Glucose Tolerance Testing in a Tertiary Care Hospital”. Journal of Nepal Health Research Council 16 (1):6-10. https://nepjol.info./index.php/JNHRC/article/view/19353.