Ontology of Biological Attributes identifier OBA_2057824 (level of megakaryocyte-associated tyrosine-protein kinase (human) in cerebrospinal fluid) is the amount of a megakaryocyte-associated tyrosine-protein kinase (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid megakaryocyte-associated tyrosine-protein kinase (human) amount.