TY  - GEN
AU  - Petty,W
TI  - Osteonecrosis
SN  - 0021-9355
PY  - 1987///0122
KW  - Femur Head
KW  - physiopathology
KW  - Femur Head Necrosis
KW  - diagnosis
KW  - Humans
KW  - Pressure
N1  - Publication Type: Editorial
ER  -