Não informado. (1959). Quarterly of the National Dental Association. National Dental Association.
Chicago-viite (17. p.)Não informado. Quarterly of the National Dental Association. Tuskegee, Ala: National Dental Association, 1959.
MLA-viite (8. p.)Não informado. Quarterly of the National Dental Association. National Dental Association, 1959.
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