TY  - RPRT
TI  - Egg-shell silicotic calcification causing bronchoesophageal fistula.
AU  - B Carasso
AU  - C Couropmitree
AU  - R Heredia
PY  - 1973
DO  - 10.1164/arrd.1973.108.6.1384
UR  - https://pubmed.ncbi.nlm.nih.gov/4751723/
ID  - 4751723
ER  -