Asking patients to switch clinics.
D000328:Adult; D000359:Aftercare; D001071:Appointments and Schedules; D006330:Heart Defects, Congenital; D006801:Humans; D009864:Ontario; D010044:Outpatient Clinics, Hospital / Q000458:organization & administration*; D010349:Patient Compliance; D012213:Rheumatic Fever