TY  - RPRT
TI  - Sharp high-sensitivity high-temperature superconducting magnetic sensor successfully measures the magnetic field of the heart.
PY  - 1993
DO  - 10.1016/0956-5663(93)80065-w
UR  - https://pubmed.ncbi.nlm.nih.gov/8297567/
ID  - 8297567
ER  -