TY  - RPRT
TI  - Retrosternal density: pulmonary underdevelopment or accessory hemidiaphragm.
AU  - N S Sid
AU  - L T Shearer
AU  - E K Gultekin
PY  - 1991
DO  - 10.1002/ppul.1950110216
UR  - https://pubmed.ncbi.nlm.nih.gov/1758736/
ID  - 1758736
ER  -