Ragionieri, L., Botti, M., Gazza, F., Bo Minelli, L., Acone, F., Panu, R. and Palmieri, G. (2009) “Double labelling immunohistochemical characterization of autonomic sympathetic neurons innervating the sow retractor clitoridis muscle”, European Journal of Histochemistry, 52(1), pp. 29–38. doi: 10.4081/1183.