| 000 | 00940 a2200289 4500 | ||
|---|---|---|---|
| 005 | 20250511180829.0 | ||
| 264 | 0 | _c19940125 | |
| 008 | 199401s 0 0 eng d | ||
| 022 | _a0966-8519 | ||
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aGrunkemeier, G L | |
| 245 | 0 | 0 |
_aAlternatives to randomization in surgical studies. _h[electronic resource] |
| 260 |
_bThe Journal of heart valve disease _cNov 1992 |
||
| 300 |
_a142-51 p. _bdigital |
||
| 500 | _aPublication Type: Journal Article | ||
| 650 | 0 | 4 | _aEthics, Medical |
| 650 | 0 | 4 | _aHeart Valve Prosthesis |
| 650 | 0 | 4 |
_aHeart Valves _xsurgery |
| 650 | 0 | 4 | _aHumans |
| 650 | 0 | 4 | _aPhysician-Patient Relations |
| 650 | 0 | 4 | _aProduct Surveillance, Postmarketing |
| 650 | 0 | 4 | _aRandom Allocation |
| 650 | 0 | 4 | _aRandomized Controlled Trials as Topic |
| 650 | 0 | 4 | _aSelection Bias |
| 700 | 1 | _aStarr, A | |
| 773 | 0 |
_tThe Journal of heart valve disease _gvol. 1 _gno. 2 _gp. 142-51 |
|
| 999 |
_c1348143 _d1348143 |
||