Quantitative effects of tobacco smoking exposure on the maternal-fetal circulation.

BMC Pregnancy Childbirth · 2011 · PMC3076296 · PMID 21453488

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a decreasing trendno p-value reported

There was, however, a decreasing trend for the RI of the middle cerebral artery related to an increasing concentration of urinary cotinine.

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showed a trendno p-value reported

The right uterine artery showed a trend towards an increased RI, however, not statistically significant.

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