| 000 | 00855 a2200241 4500 | ||
|---|---|---|---|
| 005 | 20250513021959.0 | ||
| 264 | 0 | _c19800417 | |
| 008 | 198004s 0 0 eng d | ||
| 022 | _a0021-9681 | ||
| 024 | 7 |
_a10.1016/0021-9681(80)90017-x _2doi |
|
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aMakuch, R W | |
| 245 | 0 | 0 |
_aSample size considerations for non-randomized comparative studies. _h[electronic resource] |
| 260 |
_bJournal of chronic diseases _c1980 |
||
| 300 |
_a175-81 p. _bdigital |
||
| 500 | _aPublication Type: Comparative Study; Journal Article | ||
| 650 | 0 | 4 | _aEvaluation Studies as Topic |
| 650 | 0 | 4 | _aHumans |
| 650 | 0 | 4 | _aSampling Studies |
| 700 | 1 | _aSimon, R M | |
| 773 | 0 |
_tJournal of chronic diseases _gvol. 33 _gno. 3 _gp. 175-81 |
|
| 856 | 4 | 0 |
_uhttps://doi.org/10.1016/0021-9681(80)90017-x _zAvailable from publisher's website |
| 999 |
_c7353615 _d7353615 |
||