APA aipamena

Welch, D. F., & Kelly, M. T. (1979). Sputum screening by Nomarski interference contrast microscopy.

Chicago Style aipamena

Welch, D F., and M T. Kelly. Sputum Screening By Nomarski Interference Contrast Microscopy. 1979.

MLA aipamena

Welch, D F., and M T. Kelly. Sputum Screening By Nomarski Interference Contrast Microscopy. 1979.

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