level of PTB-containing, cubilin and LRP1-interacting protein (human) in cerebrospinal fluid (OBA_2059500, an Ontology of Biological Attributes identifier) is the amount of a PTB-containing, cubilin and LRP1-interacting protein (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid PTB-containing, cubilin and LRP1-interacting protein (human) amount.