@article{ref1, title="A method for measuring the heart rate while diving", journal="CA: a cancer journal for clinicians", year="1973", author="Frauendorf, H. and Gelbrich, W. and Lindner, H. J.", volume="23", number="4", pages="259-261", abstract="

[Abstract unavailable]

Language: de

", language="de", issn="0007-9235", doi="", url="http://dx.doi.org/" }