Electronic Open Competition Above The Limits For The Provision Of "Patient Nutrition And Medical (Certain) Human Resources Services Of The G.N.A.G. Of Genmata As Well As Of The External Structures Under Its Authority", With The Criterion For Approval The Most Financially Advantageous Offer Based On Price (Lowest Price), To Cover Needs For Two (2) Years And Optional Right Up To One (1) Additional Year Cpv: 55322000-3