TY  - RPRT
TI  - [Changes in electrocardiography in chronic obstructive bronchitis].
AU  - H Illig
AU  - G Fruhmann
AU  - W Günthner
AU  - R Thurmayr
PY  - 1968
UR  - https://pubmed.ncbi.nlm.nih.gov/5714416/
ID  - 5714416
ER  -