TY  - RPRT
TI  - Symmetrical perfusion defects without pulmonary embolism.
AU  - D R Biello
AU  - B Kumar
PY  - 1982
DO  - 10.1007/bf00256462
UR  - https://pubmed.ncbi.nlm.nih.gov/6212238/
ID  - 6212238
ER  -