veterinary sciences Article Investigation of PAG2 mRNA Expression in Water Buffalo Peripheral Blood Mononuclear Cells and Polymorphonuclear Leukocytes from Maternal Blood at the Peri-Implantation Period Olimpia Barbato 1,* , Gabriella Guelfi 1 , Laura Menchetti 1 , Gabriele Brecchia 1, Noelita Melo ...