TY  - JOUR 
T1  - Avascular necrosis: radiological findings and main sites of involvement - pictorial essay
JO  - Radiologia Brasileira
A1  - Enge, Dair Jocely
A1  - Fonseca, Eduardo Kaiser Ururahy Nunes
A1  - Castro, Adham do Amaral e
A1  - Baptista, Eduardo
A1  - Santos, Durval do Carmo Barros
A1  - Rosemberg, Laercio Alberto
SN  - 0100-3984
UL  - 10.1590/0100-3984.2017.0151
VL  - 52 
Y1  - 2019
PB  - Brasil 
ER  -