Nikitin, P. I. Russian studies on age-associated physiology, biochemistry, and morphology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNikitin, Petr Ivanovic. Russian Studies on Age-associated Physiology, Biochemistry, and Morphology.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNikitin, Petr Ivanovic. Russian Studies on Age-associated Physiology, Biochemistry, and Morphology.
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