Negotiated Procedure Without Publication Of A Announcement, Pursuant To Article 76, Paragraph 2, Letter B) Points 2 "Competition Is Absent For Technical Reasons" And Point 3) "Protection Of Exclusive Rights" Of Legislative Decree March 31, 2023, N. 36, For The Assignment Of The Supply Of Containers And Relative Reagent Retention Realization Macs Model As Part Of The Project Entitled "A National Multicenter Pediatric Framework And Digital Infrastructure To Foster The Genomic Approach For Children And Adolescents With Highrisk Solid Temors", With Code Pnrrtr12023123777666, As Part Of The Mission 6 Component 2 Investment 2.1 "Enhancement And Enhancement Of The Biomedical Research Of The Nhs" Referred To In The Pnrr M6 Health "Next Generation Eu". Cup G13C23000700001, Company Code Pnr14 Sector Of Afference 146213. The Only Solution.