title: Biopterin derivatives in senile dementia.
mesh_terms: D000368:Aged; D001708:Biopterins / Q000031:analogs & derivatives / Q000097:blood*; D003704:Dementia / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011621:Pteridines / Q000097:blood*
chemical_list: D011621:Pteridines; D001708:Biopterins