The effects of storage conditions on the stability of salivary melatonin in synthetic fiber swabs for home samplingJennifer Anton Charlotte S. Larsen Majken Gudmundsson Lasse K. Bak a Department of Clinical Biochemistry, Copenhagen University Hospital, Rigshospitalet, Denmarkb Translational Research Center (TRACE), Copenhagen University Hospital, Rigshospitalet, Denmarkc Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmarkon April 10, 2025 at 2:38 am