title: Types of advance notification in reminder letters and response rates.
authors.forename: M M
authors.initials: MM
authors.lastname: Koo
authors.forename: T E
authors.initials: TE
authors.lastname: Rohan
mesh_terms: D000293:Adolescent; D002648:Child; D015331:Cohort Studies; D005260:Female; D005500:Follow-Up Studies; D006306:Health Surveys; D006801:Humans; D008019:Life Style; D009749:Nutrition Surveys; D010352:Patient Dropouts / Q000706:statistics & numerical data; D011897:Random Allocation; D017010:Reminder Systems / Q000706:statistics & numerical data*; D013689:Telephone / Q000706:statistics & numerical data*