Comparison of biomarker for diagnosis of nitrous oxide abuse: challenge of cobalamin metabolic parameters, a retrospective study

Guillaume Grzych, Sylvie Deheul, Émeline Gernez, Jean-Baptiste Davion, Dries Dobbelaere, Louise Carton, Isabelle Kim, Jean Claude Guichard, Marie Girot, L. Humbert, Anas Bennis, Marie Joncquel, Vincent Chieux, Audrey Joly, Phénicia Nasserdine, Nathalie Trillot, Claire Douillard, Pascal Pigny, Céline Tard