| 000 | 00728 a2200205 4500 | ||
|---|---|---|---|
| 005 | 20250511173753.0 | ||
| 264 | 0 | _c19760402 | |
| 008 | 197604s 0 0 eng d | ||
| 022 | _a0028-4793 | ||
| 024 | 7 |
_a10.1056/NEJM197602262940916 _2doi |
|
| 040 |
_aNLM _beng _cNLM |
||
| 245 | 0 | 0 |
_aLetter: Clinical investigation. _h[electronic resource] |
| 260 |
_bThe New England journal of medicine _c02 1976 |
||
| 300 |
_a501 p. _bdigital |
||
| 500 | _aPublication Type: Journal Article | ||
| 650 | 0 | 4 | _aAttitude of Health Personnel |
| 650 | 0 | 4 | _aResearch |
| 773 | 0 |
_tThe New England journal of medicine _gvol. 294 _gno. 9 _gp. 501 |
|
| 856 | 4 | 0 |
_uhttps://doi.org/10.1056/NEJM197602262940916 _zAvailable from publisher's website |
| 999 |
_c1252878 _d1252878 |
||