Preventive Examination Of Employees Of The Novosilkiv Gymnasium In The Village Of Novosilky Bmr, V. Tsentralna, Z-A, For The Carriage Of Pathogens Of Intestinal Infections, Staphylococcus Aureus, Helminths, (31 Persons), According To The Code Dk 021:2015: 73110000-6 "Research Services"