| 000 | 01073 a2200325 4500 | ||
|---|---|---|---|
| 005 | 20250512175302.0 | ||
| 264 | 0 | _c19690902 | |
| 008 | 196909s 0 0 eng d | ||
| 022 | _a0003-3855 | ||
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aPystynen, P | |
| 245 | 0 | 0 |
_aDetection of foetal heart action by ultrasound transformed into audible signals. A comparative study with visual method. _h[electronic resource] |
| 260 |
_bAnnales chirurgiae et gynaecologiae Fenniae _c1968 |
||
| 300 |
_a607-10 p. _bdigital |
||
| 500 | _aPublication Type: Comparative Study; Journal Article | ||
| 650 | 0 | 4 | _aBiomedical Engineering |
| 650 | 0 | 4 | _aFemale |
| 650 | 0 | 4 | _aFetal Heart |
| 650 | 0 | 4 | _aGestational Age |
| 650 | 0 | 4 | _aHumans |
| 650 | 0 | 4 | _aMethods |
| 650 | 0 | 4 | _aPregnancy |
| 650 | 0 | 4 |
_aPregnancy Complications _xdiagnosis |
| 650 | 0 | 4 | _aTime Factors |
| 650 | 0 | 4 |
_aUltrasonics _xinstrumentation |
| 650 | 0 | 4 | _aUltrasonography |
| 700 | 1 | _aYlöstalo, P | |
| 700 | 1 | _aOjala, A | |
| 773 | 0 |
_tAnnales chirurgiae et gynaecologiae Fenniae _gvol. 57 _gno. 5 _gp. 607-10 |
|
| 999 |
_c5731963 _d5731963 |
||