Recommendation on quality assurance of pneumatic transportation systems an opinion paper from the Nordic preanalytical scientific working groupJonna Pelanti Britta Willman Anna Linko-Parvinen Mads Nybo a Labquality, Helsinki, Finlandb Department of Medical Biosciences, Clinical Chemistry, Umeå University, Umeå, Swedenc Department of Clinical Chemistry, University of Turku, and Tyks Laboratories, Clinical Chemistry, Turku University Hospital, Turku, Finlandd Department of Clinical Biochemistry, Odense University Hospital, Odense, Denmarkon April 16, 2026 at 6:34 am
