Sharma, B., Chauhan, V., Sharma, N., Mokta, J., Thakur, S., & Kaushal, S. S. (2006). Importance of age in outcome of oesophagogastroduodenoscopy in open access endoscopy: a profile of patients in Sub-Himalayan region of North India. Medical Journal of Indonesia, 15(2), 90–3. https://doi.org/10.13181/mji.v15i2.219