@base .
a ;
;
"20120707194400.0"^^ ;
;
.
a ;
.
a .
a , ;
"Journal of medical ultrasound (Print)" .
a ;
"0929-6441" ;
.
"China" .
a , , ;
, , ;
"Journal of medical ultrasound." ;
;
;
;
"0929-6441" ;
;
;
"0929-6441" ;
;
"0929-6441" ;
"Journal of medical ultrasound (Print)" , "Journal of medical ultrasound." ;
.
a ;
"0929-6441" ;
.
.