Evaluation of serum free thyroxine and thyrotropin concentrations in the diagnosis of canine hypothyroidism

blood blood composition blood serum chien composition du sang diagnosis diagnostic dogs endocrine diseases enfermedades glandulas endocrinas haematology hypothyroidism perro sang sangre symptome symptoms thyroid gland thyrotropin thyrotropine thyroxine tirotropina tiroxina trouble endocrinien