Bist Sampan S, Ahuja Vivek, Agrawal Vinish, Modi Sagar
Department of ENT, Himalayan Institute of Medical Sciences, SHRU University, Jolly-grant, Doiwala, Dehrdun 248140 (Uttarakhand) India.
Department of Gastroenterology, Himalayan Institute of Medical Sciences, SHRU University, Jolly-grant, Doiwala, Dehrdun 248140 (Uttarakhand) India.
Iran J Med Sci. 2016 Jul;41(4):361-2.