Edipoglu, I. S., Chousein, C. M., Balci, H. I. and Buget, M. I. (2019) “Study on factors affecting mortality in nonagenarian patients in orthopaedic surgery”, International Journal of Research in Medical Sciences, 7(3), pp. 899–903. doi: 10.18203/2320-6012.ijrms20190945.