Ultrasound use in gynecologic brachytherapy: Time to focus the beam.
Brachytherapy. 2015 May-Jun;14(3):390-400. doi: 10.1016/j.brachy.2014.12.001. Epub 2015 Jan 22.
Brachytherapy. 2015.
PMID: 25620161
Review.