Highly automated nano-LC/MS-based approach for thousand cell-scale quantification of side chain-hydroxylated oxysterols[S] oleh Hanne Roberg-Larsen, Kaja Lund, Tore Vehus, Nina Solberg, Caroline Vesterdal, Dorna Misaghian, Petter Angell Olsen, Stefan Krauss, Steven Ray Wilson, Elsa Lundanes