TY  - RPRT
TI  - Plasma and spinal-fluid blocking factor in SSPE.
AU  - K W Sell
AU  - G B Thurman
AU  - A Ahmed
AU  - D M Strong
PY  - 1973
DO  - 10.1056/nejm197301252880418
UR  - https://pubmed.ncbi.nlm.nih.gov/4682238/
ID  - 4682238
ER  -