TY  - RPRT
TI  - THE FETAL ELECTROCARDIOGRAM. 3. DISPLAY TECHNIQUES.
AU  - E H HON
AU  - S T LEE
PY  - 1965
DO  - 10.1016/0002-9378(65)90586-7
UR  - https://pubmed.ncbi.nlm.nih.gov/14245091/
ID  - 14245091
ER  -