the effect of 2 days or 6 weeks administration of the diet containing 3 per cent potassium nitrate on serum level of thyroxine ( t4 ) , triiodothyronine ( t3 ) , nitrate , methemoglobin and somatomedin activity was investigated in piglets aged 56 days .
C0071772
potassium nitrate
C0028125
nitrate