Παραπομπή APA

Harkness, M. L. R., & Harkness, R. D. (1954). The collagen content of the reproductive tract of the rat during pregnancy and lactation.

Παραπομπή Chicago Style

Harkness, Margaret L. R., και R. D. Harkness. The Collagen Content of the Reproductive Tract of the Rat During Pregnancy and Lactation. 1954.

Παραπομπή MLA

Harkness, Margaret L. R., και R. D. Harkness. The Collagen Content of the Reproductive Tract of the Rat During Pregnancy and Lactation. 1954.

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