TY  - RPRT
TI  - The persistent ostium primum atrial septal defect.
AU  - J N FORREST
PY  - 1959
DO  - 10.1001/archpedi.1959.02070010044002
UR  - https://pubmed.ncbi.nlm.nih.gov/13605413/
ID  - 13605413
ER  -