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Effect of relaxin on Dll4 mRNA in endometrial glandular cells. Glandular cells isolated from a proliferative endometrium were incubated with 0, 2, and 20 ng/ml of RLX for 3 d. Data were normalized by the β-actin in each sample and presented as fold increase with respect to control (1), mean ± sem of triplicate determinations.
