TY  - RPRT
TI  - ["QT" pacemaker in aggregate exchange. Do old electrodes impair functional ability?].
AU  - M Sigmund
AU  - P Schwindke
AU  - S Recker
AU  - A Johnen
AU  - P Hanrath
PY  - 1991
UR  - https://pubmed.ncbi.nlm.nih.gov/2058250/
ID  - 2058250
ER  -