TY  - RPRT
TI  - Congenital heart block.
AU  - M CAMPBELL
AU  - M G THORNE
PY  - 1956
DO  - 10.1136/hrt.18.1.90
UR  - https://pubmed.ncbi.nlm.nih.gov/13284190/
ID  - 13284190
ER  -