Reliance Pursuant To Art. 50 Legislative Decree No. 36/2023 For The Acquisition Of The Supply Of "Elisa Kit And Dna And Rna Extraction Kit", Needed By The B.Trambusti University Pediatrics Unit "Giovannixxiii", (Project Code Pnrr-Mr1-2022-12376583)-Cup Master193C220005600006-Cup Derivative B93C22001590006-Accounting Key Pnrr2022-Appr-Bleending-Disr.