metformin was infused at the low `` '' therapeutic '' '' concentration of 1.5 micrograms/ml and its effects were evaluated in three different glycaemic conditions : during a basal infusion of 4.44 mm glucose , during a moderate increase to 8.88 mm of glucose concentration , and finally during a higher 16.66 mm glycaemic stimulus .
C0017725
m gluco
C0020456
a high