preferred_name: Extremity vein &#x7C; Ultrasound.doppler &#x7C; Radiology
preferred_name_lc: extremity vein &#x7c; ultrasound.doppler &#x7c; radiology
label: Extremity vein &#x7C; Ultrasound.doppler &#x7C; Radiology
label_lc: extremity vein &#x7c; ultrasound.doppler &#x7c; radiology