BibTex format
@article{Costa-Santos:2021:10.1136/bmjopen-2020-047623,
author = {Costa-Santos, C and Neves, AL and Correia, R and Santos, P and Monteiro-Soares, M and Freitas, A and Ribeiro-Vaz, I and Henriques, TS and Rodrigues, PP and Costa-Pereira, A and Pereira, AM and Fonseca, JA},
doi = {10.1136/bmjopen-2020-047623},
journal = {BMJ OPEN},
title = {COVID-19 surveillance data quality issues: a national consecutive case series},
url = {http://dx.doi.org/10.1136/bmjopen-2020-047623},
volume = {11},
year = {2021}
}