The amount of a doublesex- and mab-3-related transcription factor B1 (human) when measured in cerebrospinal fluid. The trait is OBA_2080481 (level of doublesex- and mab-3-related transcription factor B1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid doublesex- and mab-3-related transcription factor B1 (human) amount.