title: The in vitro evaluation of the PSP and indigo carmine tests for obstruction in hydrocephalus.
mesh_terms: D000328:Adult; D002555:Cerebrospinal Fluid; D004395:Dye Dilution Technique; D006801:Humans; D006849:Hydrocephalus / Q000175:diagnosis*; D008954:Models, Biological; D010635:Phenolphthaleins
chemical_list: D010635:Phenolphthaleins