Chi-square (χ 2 ) test was used to compare proportions of 2 qualitative parameters. Probability (p-value): p > 0.05 was considered insignificant, p ≤ 0.05 was considered significant, and p < 0.001 was considered highly significant.
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Letrozole vs. Placebo Pretreatment in the Medical Management of First Trimester Missed Miscarriage: a Randomized Controlled Trial.
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