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| 100 | 1 | _aSmerdov, A A | |
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_a[Possibility of increasing the efficiency of the apparatus for analysing the R-R intervals of electrocardiograms]. _h[electronic resource] |
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_bMeditsinskaia tekhnika _c |
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_a22-4 p. _bdigital |
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| 500 | _aPublication Type: English Abstract; Journal Article | ||
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_aElectrocardiography _xinstrumentation |
| 650 | 0 | 4 | _aHeart Rate |
| 650 | 0 | 4 | _aHumans |
| 650 | 0 | 4 | _aMathematics |
| 700 | 1 | _aGorelik, V K | |
| 773 | 0 |
_tMeditsinskaia tekhnika _gno. 2 _gp. 22-4 |
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