TY  - RPRT
TI  - Congenital heart block.
AU  - R W SMITHELLS
AU  - E B OUTON
PY  - 1959
DO  - 10.1136/adc.34.175.223
UR  - https://pubmed.ncbi.nlm.nih.gov/13832182/
ID  - 13832182
ER  -