Não informado. (1918). Minnesota Medicine. Minnesota State Medical Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Minnesota Medicine. Minneapolis, Minn: Minnesota State Medical Association, 1918.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Minnesota Medicine. Minnesota State Medical Association, 1918.
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