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. 2019 Jun 13;15(6):e1008107. doi: 10.1371/journal.pgen.1008107

Fig 4. mRNA levels of SLIT2 and ROBO1 in spontaneous preterm, spontaneous term, and elective term placentas.

Fig 4

Relative mRNA levels from the basal (A) or chorionic (B) plates were normalized to mRNA levels of the housekeeping gene CYC1. Differences were analyzed with nonparametric Mann–Whitney U‐test. Asterisk indicates statistically significant changes. Box and whiskers display quartiles. Band inside the box is the median, and ends of whiskers show the minimum and maximum values; square inside the box represents the mean value.