TY  - RPRT
TI  - [Evaluation of sinoatrial node function in healthy persons using selected reflex tests].
AU  - M Szponar
AU  - J Dubejko
AU  - B Kolber-Postepska
PY  - 1983
UR  - https://pubmed.ncbi.nlm.nih.gov/6663979/
ID  - 6663979
ER  -