TY - GENERIC DO - 10.20944/preprints202005.0143.v1 UR - http://dx.doi.org/10.20944/preprints202005.0143.v1 TI - The Main Risk Factors for the Number of Serious or Critical Cases of Covid-19: How is the Health of Brazilians? T2 - Preprints AU - Fernandes, Haniel PY - 2020 DA - 2020/05/08 PB - Preprints