Aski, B., N. Vaidya, R. Patil, and N. Pinto. “Drain Tip Culture Following Total Knee Arthroplasty”. International Journal of Research in Medical Sciences, vol. 3, no. 2, Jan. 2017, pp. 409-11, https://www.msjonline.org/index.php/ijrms/article/view/1290.