Não informado. (1921). Journal of the Missouri State Dental Association. Missouri State Dental Association.
Citace podle Chicago (17th ed.)Não informado. Journal of the Missouri State Dental Association. Jefferson City, Mo: Missouri State Dental Association, 1921.
Citace podle MLA (8th ed.)Não informado. Journal of the Missouri State Dental Association. Missouri State Dental Association, 1921.
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