Tapadar, S. R., Deb, J., Dhua, A., Bhattacharya, S., Bairagya, T. D., & Biswas, U. (2014). Haemoptysis: An unusual initial presentation of achalasia cardia. Asian Journal of Medical Sciences, 6(1), 103–105. Retrieved from https://nepjol.info./index.php/AJMS/article/view/10800