Não informado. (1949). Current advances in dentistry. University of Illinois.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Current Advances in Dentistry. Urbana, Ill: University of Illinois, 1949.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Current Advances in Dentistry. University of Illinois, 1949.
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