TY  - RPRT
TI  - A heart-sound screening program for elementary children.
AU  - D Dennison
AU  - J A Fenimore
PY  - 1971
DO  - 10.1111/j.1746-1561.1971.tb04431.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5208620/
ID  - 5208620
ER  -