title: An urban school-based voluntary MMR booster immunization program.
authors.affiliation: Johns Hopkins School of Hygiene and Public Health, Baltimore, MD 21205.
authors.forename: P
authors.initials: P
authors.lastname: Beilenson
authors.forename: J
authors.initials: J
authors.lastname: Santelli
mesh_terms: D015142:Baltimore; D002648:Child; D004338:Drug Combinations; D006801:Humans; D007117:Immunization, Secondary; D008458:Measles Vaccine; D022542:Measles-Mumps-Rubella Vaccine; D009108:Mumps Vaccine; D011314:Preventive Health Services / Q000458:organization & administration; D011641:Public Relations; D012411:Rubella Vaccine; D012573:School Nursing
chemical_list: D004338:Drug Combinations; D008458:Measles Vaccine; D022542:Measles-Mumps-Rubella Vaccine; D009108:Mumps Vaccine; D012411:Rubella Vaccine