Typically, Mayo Clinic won't need a doctor referral. Some insurers require referrals or may have further demands for certain healthcare care. All appointments are prioritized on the basis of medical want. Weak or harmed valves can lead to varicose veins. Arteries carry blood from the guts to the rest of https://www.sgvascularctr.com/looking-for-varicose-vein-treatment-singapore/