School's out for summer: preparing for next year.
Navarro
Scott
S
D000293:Adolescent; D001296:Audiovisual Aids; D002648:Child; D002675:Child, Preschool; D006266:Health Education; D006801:Humans; D007255:Information Services; D020407:Internet; D009910:Oral Hygiene; D010988:Play and Playthings; D013664:Teaching Materials; D014481:United States