Dog (canine) Hypothyroidism L-thyroxine megaesophagus Paper review Thyroid Megaesophagus and Hypothyroidism in Dogs Reversible Megaesophagus Associated with Primary Hypothyroidism in a Dog By F. Fracassi and A. Tamborini Veterinary Record 2011; … Saturday, September 22, 2012 Add Comment Edit