title: Obtaining optimal attendance at mass immunization programs.
mesh_terms: D001294:Attitude to Health; D003071:Cognition; D003142:Communication; D003657:Decision Making; D003710:Demography; D004522:Educational Status; D007114:Immunization / Q000706:statistics & numerical data*; D009042:Motivation; D010565:Persuasive Communication; D011593:Psychology, Social; D012959:Socioeconomic Factors; D013997:Time Factors