TY  - RPRT
TI  - Uniform SAH grading.
AU  - D Stålhammar
AU  - J E Starmark
PY  - 1989
DO  - 10.3171/jns.1989.71.2.0303
UR  - https://pubmed.ncbi.nlm.nih.gov/2746359/
ID  - 2746359
ER  -