Improved needle-tip visualization by color Doppler sonography.
Hamper
U M
UM
Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins Medical Institutions, Baltimore, MD 21205.
Savader
B L
BL
Sheth
S
S
D001707:Biopsy, Needle / Q000379:methods*; D003116:Color; D006801:Humans; D009339:Needles; D014463:Ultrasonography / Q000379:methods*