| 000 | 01005 a2200277 4500 | ||
|---|---|---|---|
| 005 | 20250512021256.0 | ||
| 264 | 0 | _c19891221 | |
| 008 | 198912s 0 0 eng d | ||
| 022 | _a0277-6715 | ||
| 024 | 7 |
_a10.1002/sim.4780081003 _2doi |
|
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aDemets, D L | |
| 245 | 0 | 0 |
_aGroup sequential procedures: calendar versus information time. _h[electronic resource] |
| 260 |
_bStatistics in medicine _cOct 1989 |
||
| 300 |
_a1191-8 p. _bdigital |
||
| 500 | _aPublication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. | ||
| 650 | 0 | 4 | _aAlgorithms |
| 650 | 0 | 4 | _aChronology as Topic |
| 650 | 0 | 4 |
_aClinical Protocols _xstandards |
| 650 | 0 | 4 |
_aClinical Trials as Topic _xstandards |
| 650 | 0 | 4 | _aComputer Simulation |
| 650 | 0 | 4 | _aData Collection |
| 650 | 0 | 4 | _aGroup Structure |
| 773 | 0 |
_tStatistics in medicine _gvol. 8 _gno. 10 _gp. 1191-8 |
|
| 856 | 4 | 0 |
_uhttps://doi.org/10.1002/sim.4780081003 _zAvailable from publisher's website |
| 999 |
_c2819933 _d2819933 |
||