TY  - RPRT
TI  - [A frequency-varied heart-stimulating pacemaker system is under further development].
AU  - L Rydén
AU  - I Kruse
AU  - P Smedgård
PY  - 1984
UR  - https://pubmed.ncbi.nlm.nih.gov/6492949/
ID  - 6492949
ER  -