Ontology of Biological Attributes identifier OBA_2059947 (level of cancer/testis antigen family 45 member A3 (human) in cerebrospinal fluid) is the amount of a cancer/testis antigen family 45 member A3 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid cancer/testis antigen family 45 member A3 (human) amount.