Sequel report: Improved attendance at follow-up clinics.
D000293:Adolescent; D000328:Adult; D001071:Appointments and Schedules; D003191:Comprehensive Health Care; D006330:Heart Defects, Congenital / Q000628:therapy; D006801:Humans; D008722:Methods; D009864:Ontario; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data*; D010349:Patient Compliance; D012213:Rheumatic Fever / Q000628:therapy