Não informado. (1956). Dental journal. University of Pittsburgh, School of Dentistry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Dental Journal. Pittsburgh, Pa: University of Pittsburgh, School of Dentistry, 1956.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Dental Journal. University of Pittsburgh, School of Dentistry, 1956.
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