TY  - RPRT
TI  - Multiple calvarial "doughnut lesions".
AU  - P M Royen
AU  - M B Ozonoff
PY  - 1974
DO  - 10.2214/ajr.121.1.121
UR  - https://pubmed.ncbi.nlm.nih.gov/4833899/
ID  - 4833899
ER  -