Ultrasonography.
Nelson
R C
RC
Duke University Medical Center, Durham, North Carolina.
Carroll
B A
BA
Cooperberg
P L
PL
Gordon
P B
PB
Mack
L A
LA
Madrazo
B L
BL
Paulson
E K
EK
Pretorius
D H
DH
D006801:Humans; D014463:Ultrasonography