TY  - RPRT
TI  - The 'light bulb' sign.
AU  - B Wright
AU  - J Booth
PY  - 1994
DO  - 10.1136/emj.11.3.210-b
UR  - https://pubmed.ncbi.nlm.nih.gov/7804598/
ID  - 7804598
ER  -