Não informado. (1945). Hospital periodical literature index. American Hospital Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Hospital Periodical Literature Index. Chicago, Ill: American Hospital Association, 1945.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Hospital Periodical Literature Index. American Hospital Association, 1945.
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