TY  - RPRT
TI  - The negative myelogram and nucleography.
AU  - H L FEFFER
AU  - H V RIZZOLI
PY  - 1956
DO  - 10.1080/00325481.1956.11712053
UR  - https://pubmed.ncbi.nlm.nih.gov/13322734/
ID  - 13322734
ER  -