TY - GEN AU - Koo,M M AU - Rohan,T E TI - Types of advance notification in reminder letters and response rates SN - 1044-3983 PY - 1996///1204 KW - Adolescent KW - Child KW - Cohort Studies KW - Female KW - Follow-Up Studies KW - Health Surveys KW - Humans KW - Life Style KW - Nutrition Surveys KW - Patient Dropouts KW - statistics & numerical data KW - Random Allocation KW - Reminder Systems KW - Telephone N1 - Publication Type: Letter UR - https://doi.org/10.1097/00001648-199603000-00025 ER -