TY  - JOUR 
T1  - Immune status could be associated with severity in COVID-19 patients
JO  - Revista da Associação Médica Brasileira
A1  - Liu, Chuan
A1  - Yang, Jiahui
A1  - Wang, Wancong
A1  - Mi, Yang
A1  - Tang, Youcai
A1  - Zheng, Pengyuan
SN  - 0104-4230
UL  - 10.1590/1806-9282.66.S2.13
VL  - 66 
Y1  - 2020
PB  - Brasil 
ER  -