@article{Abd ElHafeez2021,
author = {Abd ElHafeez, S. and D’Arrigo, G. and Leonardis, D. and Fusaro, M. and Tripepi, G. and Roumeliotis, S.},
title= {Methods to analyze time-to-event data: The cox regression analysis},
year = {2021},
doi = {10.1155/2021/1302811},
number = {1302811},
pages = {1--6},
}