The activity of γ-glutamyltransferase in the peripheral blood of pregnant women was determined by spectrophotometry at the device "Stat-Fax-2100" (The USA). 
Stat-Fax-2100
The activity of γ-glutamyltransferase in the peripheral blood of pregnant women was determined by spectrophotometry at the device "Stat-Fax-2100" (The USA). 
The USA