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Expression of LPARs (LPAR1, LPAR2, LPAR3, and LPAR4) in late cleavage (Day 5; (a), (b), (c), and (d), resp.) and blastocyst (Day 8; (f), (g), (h), and (i), resp.) stage bovine in vitro produced embryos. (e) and (j) negative controls; 200x magnification.
