@article{article5321204b,
title   = {Unsupervised natural language processing in the identification of patients with suspected COVID-19 infection},
author = {Silva, Rildo Pinto da and Pollettini, Juliana Tarossi and Pazin Filho, Antônio},
year = {2023},
doi = {10.1590/0102-311XPT243722},
journal   = {Cadernos de Saúde Pública}
}