TY  - JOUR 
T1  - <i>Radiologia Brasileira:</i> the constant struggle for its improvement
JO  - Radiologia Brasileira
A1  - Marchiori, Edson
A1  - Muglia, Valdair Francisco
SN  - 0100-3984
UL  - 10.1590/0100-3984.2020.53.1e1
VL  - 53 
Y1  - 2020
PB  - Brasil 
ER  -