| 000 | 01014 a2200301 4500 | ||
|---|---|---|---|
| 005 | 20250513113215.0 | ||
| 264 | 0 | _c19970314 | |
| 008 | 199703s 0 0 eng d | ||
| 022 | _a0090-0036 | ||
| 024 | 7 |
_a10.2105/ajph.87.1.113 _2doi |
|
| 040 |
_aNLM _beng _cNLM |
||
| 100 | 1 | _aMühlemann, K | |
| 245 | 0 | 0 |
_aCan herd immunity influence the assessment of vaccine efficacy in nonrandomized studies? _h[electronic resource] |
| 260 |
_bAmerican journal of public health _cJan 1997 |
||
| 300 |
_a113-4 p. _bdigital |
||
| 500 | _aPublication Type: Letter | ||
| 650 | 0 | 4 | _aBias |
| 650 | 0 | 4 | _aCluster Analysis |
| 650 | 0 | 4 | _aHumans |
| 650 | 0 | 4 | _aImmunity, Active |
| 650 | 0 | 4 |
_aInfections _xepidemiology |
| 650 | 0 | 4 | _aReproducibility of Results |
| 650 | 0 | 4 | _aResearch Design |
| 650 | 0 | 4 |
_aVaccines _ximmunology |
| 700 | 1 | _aWeiss, N S | |
| 773 | 0 |
_tAmerican journal of public health _gvol. 87 _gno. 1 _gp. 113-4 |
|
| 856 | 4 | 0 |
_uhttps://doi.org/10.2105/ajph.87.1.113 _zAvailable from publisher's website |
| 999 |
_c9052993 _d9052993 |
||