TY  - RPRT
TI  - Peripherally administered reduced pterins do enter the brain.
AU  - G Kapatos
AU  - S Kaufman
PY  - 1981
DO  - 10.1126/science.7233193
UR  - https://pubmed.ncbi.nlm.nih.gov/7233193/
ID  - 7233193
ER  -