Ontology of Biological Attributes entry OBA_2057064 (level of pregnancy-specific beta-1-glycoprotein 1 (human) in cerebrospinal fluid) is the amount of a pregnancy-specific beta-1-glycoprotein 1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid pregnancy-specific beta-1-glycoprotein 1 (human) amount.