TY  - RPRT
TI  - Ventricular septal defect noted by two-dimensional echocardiography.
AU  - R S Meltzer
AU  - J Schwartz
AU  - J French
AU  - R L Popp
PY  - 1979
DO  - 10.1378/chest.76.4.455
UR  - https://pubmed.ncbi.nlm.nih.gov/477436/
ID  - 477436
ER  -