Open Procedure, Pursuant To Art. 71 Legislative Decree No. 36/2023, For The Conclusion Of A Framework Agreement Divided Into Lots, With A Single Economic Operator For Each Lot, Pursuant To Art. 59, Co. 3 Of The Public Contracts Code, Lasting 48 Months, Concerning The Acquisition Of Integrated Logistical Support (Sli) For Clinical Chemistry, Electrolytes, Specific Proteins, Hormone Tests