Open Procedure, Pursuant To Art. 71 Of Legislative Decree 36/2023, To Be Carried Out Through The Use Of The Sarde-Gnacat Telematic Platform, Aimed At The Three-Year Supply, Divided Into 21 Distinct Lots, Of Various Diagnostic Material For Hospital Hygiene For The Needs Of The Sc Medical Directorate Of Management, Hygiene, Epidemiology And Hospital Infections Of The University Hospital Of Sassari.