Fig. 2From: Study on the relationship between expression patterns of cocaine-and amphetamine regulated transcript and hormones secretion in porcine ovarian folliclesEstradiol and progesterone concentrations in big, medium and small follicles. Superscript small letters indicate significantly different at the level of 0.05, same letters mean no significantly difference while different letters mean significantly difference. (n = 3 each; least square mean ± SEM)Back to article page