Não informado. (1969). Annals of Clinical Research. Finnish Medical Society Duodecim.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annals of Clinical Research. Helsinki: Finnish Medical Society Duodecim, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annals of Clinical Research. Finnish Medical Society Duodecim, 1969.
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