| 000 | 00902 a2200253 4500 | ||
|---|---|---|---|
| 005 | 20250513040633.0 | ||
| 264 | 0 | _c19950210 | |
| 008 | 199502s 0 0 eng d | ||
| 022 | _a0959-8138 | ||
| 024 | 7 |
_a10.1136/bmj.309.6966.1439 _2doi |
|
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aBuck, D | |
| 245 | 0 | 0 |
_aInterpreting results of observational research. Problem with confounders can be tackled. _h[electronic resource] |
| 260 |
_bBMJ (Clinical research ed.) _cNov 1994 |
||
| 300 |
_a1439 p. _bdigital |
||
| 500 | _aPublication Type: Letter; Comment | ||
| 650 | 0 | 4 | _aConfounding Factors, Epidemiologic |
| 650 | 0 | 4 | _aHumans |
| 650 | 0 | 4 | _aResearch Design |
| 650 | 0 | 4 |
_aStatistics as Topic _xmethods |
| 700 | 1 | _aSutton, M | |
| 773 | 0 |
_tBMJ (Clinical research ed.) _gvol. 309 _gno. 6966 _gp. 1439 |
|
| 856 | 4 | 0 |
_uhttps://doi.org/10.1136/bmj.309.6966.1439 _zAvailable from publisher's website |
| 999 |
_c7695149 _d7695149 |
||