Summary
Small pieces of cellophane and whole cellophane films were introduced subcutaneously in rats. Not a single tumor appeared in rats in which ground cellophane was introduced. In rats in whom whole cellophane films (1×3 cm, 2×3 cm and 7×2.5 cm in size) were implanted the tumors appeared correspondingly in 3.2, 16.6, and 16.6% of the animals.
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Ol'shevskaya, L.V. Changes in rat connective tissue associated with the development of tumors caused by implantation of cellophane. Bull Exp Biol Med 52, 1419–1422 (1962). https://doi.org/10.1007/BF00785310
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DOI: https://doi.org/10.1007/BF00785310