Negotiated Procedure To Be Initiated Pursuant To Art. 50 Co. 1 Letter B) Legislative Decree No. 36/2023 And Subsequent Amendments, For The Acquisition Of The Supply Of "Laboratory Consumables" Needed For The Caribian Project "Cardiac Imaging And Biomarkers In The Diagnosis Of Antibody Mediated Rejection In Heart Transplantation", "Project Code Pnrr - Mcnt2 - 2023 -12377618 Cup Master F33C24000230006 - Cup Derivative B93C24000400006 - Accounting Key Pnrr -B93C24000400006 - 01 U.O.C. Of Cardiac Surgery".