Outcome of ultrasound guided foam sclerotherapy (UGFS) treatment for varicose veins: A four years retrospective study at a tertiary care hospital in north India Journal title: International Journal of Medical Research and Review Authors: Sanjay Singh, Akhilesh Kumar Maurya, Mayurika Singh, Vikas Sachdeva Subject(s): Medicine, Biomedicine, Microbiology, Anatomy, Anesthesiology, Internal Medicine, Otolaryngology, Obstetrics & Gynecology, Radiology, Nuclear Medicine & Medical Imaging