Assertion: caffeine's effect | /r/HasProperty | defined systemic physiological process
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text: Previously we have reported that the stimulatory effect of caffeine on lobulo-alveolar development in the mammary glands of female Balb/c mice is not due to a direct action of the drug on the mammary gland but appears to be due to a caffeine-induced alteration of a yet to be defined systemic physiological process (VanderPloeg et al., J Environ Pathol Toxicol Oncol 11:177-189, 1992).