Sometimes the volunteers are even accompanied by medical staff members from their fulltime Jobs. Each day. volunteers from the medical unit travel to different locations In Portland to provide and perform simple procedures. The unit 3 days a week is equipped with a medical staff. and 2 days a week the unit travels with a dental team. They visit homeless shelters. migrant camps. homes and jails for juvenile delinquents. and lowincome schools. The medical unit also has six permanent sites at local churches and clinics. Many of the patients are cared for on a longterm basis by the same doctor.