Discrepancies between validated GC?FID and UHPLC?DAD methods for the analysis of ??9?THC and CBD in dried hemp flowers, Duchateau, Céline, De Leersnijder Cedric, Barhdadi Sophia, Canfyn Michael, De Braekeleer Kris, and Deconinck Eric , Drug Testing and Analysis, 10/2022, Volume 14, Issue 10, (2022)