@article{Yang2020,
author = {Yang, J. and Zheng, Y. and Gou, X. and Pu, K. and Chen, Z. and Guo, Q. and Zhou, Y.},
title= {Prevalence of comorbidities in the novel Wuhan coronavirus (COVID-19) infection: A systematic review and meta-analysis},
year = {2020},
doi = {10.1016/j.ijid.2020.03.017},
volume = {94},
pages = {91‒95},
}