| 000 | 00776 a2200241 4500 | ||
|---|---|---|---|
| 005 | 20250512020546.0 | ||
| 264 | 0 | _c19891113 | |
| 008 | 198911s 0 0 eng d | ||
| 022 | _a0006-341X | ||
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aLan, K K | |
| 245 | 0 | 0 |
_aChanging frequency of interim analysis in sequential monitoring. _h[electronic resource] |
| 260 |
_bBiometrics _cSep 1989 |
||
| 300 |
_a1017-20 p. _bdigital |
||
| 500 | _aPublication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. | ||
| 650 | 0 | 4 | _aBiometry |
| 650 | 0 | 4 |
_aClinical Trials as Topic _xmethods |
| 650 | 0 | 4 | _aHumans |
| 650 | 0 | 4 | _aModels, Statistical |
| 650 | 0 | 4 | _aProbability |
| 700 | 1 | _aDeMets, D L | |
| 773 | 0 |
_tBiometrics _gvol. 45 _gno. 3 _gp. 1017-20 |
|
| 999 |
_c2795981 _d2795981 |
||