Restoring pars intermedia dopamine concentrations and tyrosine hydroxylase expression levels with pergolide: evidence from horses with pituitary pars intermedia dysfunction. - Fortin, Jessica S.; Benskey, Matthew J.; Lookingland, Keith J.; Patterson, Jon S.; Howey, Erin B.; Goudreau, John L.; Schott II, Harold C. (BMC Veterinary Research, 2020)