Não informado. (1991). Endocrine Regulations. Slovak Academy of Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Endocrine Regulations. Bratislava: Slovak Academy of Sciences, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Endocrine Regulations. Slovak Academy of Sciences, 1991.
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