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. 2021 Feb 15;12:32. doi: 10.1186/s40104-020-00544-0

Fig. 3.

Fig. 3

Expression of selected genes from placental tissue derived from the three groups of piglets analysed: RF-IVP (n = 9), C-IVP (n = 9) and AI (n = 10). All data are presented as the mean ± SEM. Different letters (a, b, c) indicate significant differences (P < 0.05)