TY  - RPRT
TI  - A practical approach to fetal electrocardiography.
AU  - G Schuler
AU  - I H Glass
AU  - J C Whyte
PY  - 1967
DO  - 10.1016/0002-9378(67)90568-6
UR  - https://pubmed.ncbi.nlm.nih.gov/6066721/
ID  - 6066721
ER  -