TY  - RPRT
TI  - Petrosal versus cavernous sinus sampling.
AU  - E H Oldfield
AU  - J L Doppman
PY  - 1998
DO  - 10.3171/jns.1998.89.5.0890
UR  - https://pubmed.ncbi.nlm.nih.gov/9817432/
ID  - 9817432
ER  -