Yousuf, B.A., Begum, K. and Shamim, K. 2009. The shape of the human adult trachea among Bangladeshi males. Journal of Chittagong Medical College Teachers' Association. 18, 2 (Nov. 2009), 26–27. DOI:https://doi.org/10.3329/jcmcta.v18i2.3832.