title: Localization of  99m Tc in the choroid plexus of the fourth ventricle.
mesh_terms: D001932:Brain Neoplasms / Q000175:diagnosis*; D002831:Choroid Plexus / Q000378:metabolism*; D005260:Female; D006801:Humans; D007223:Infant; D008875:Middle Aged; D010472:Perchlorates; D011188:Potassium; D011877:Radionuclide Imaging; D013667:Technetium / Q000378:metabolism*
chemical_list: D010472:Perchlorates; D013667:Technetium; D011188:Potassium