level of 4-hydroxyphenylpyruvate dioxygenase (human) in cerebrospinal fluid (Ontology of Biological Attributes entry OBA_2057661) is the amount of a 4-hydroxyphenylpyruvate dioxygenase (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid 4-hydroxyphenylpyruvate dioxygenase (human) amount.