M. K. Raja
Armed Forces Institute of Dentistry (AFID)/ National institute of Heart Diseases (NIHD), Rawalpindi, Pakistan
M. Khan
Armed Forces Institute of Dentistry (AFID)/ National institute of Heart Diseases (NIHD), Rawalpindi, Pakistan
Zulfiqar Ali
Armed Forces Institute of Dentistry (AFID)/ National institute of Heart Diseases (NIHD), Rawalpindi, Pakistan
Ashur Khan
Armed Forces Institute of Dentistry (AFID)/ National institute of Heart Diseases (NIHD), Rawalpindi, Pakistan
M. T. Rothman
Cardiac Department, London Hospital Whitechapel, London, UK