| 000 | 00356nam a22001457a 4500 | ||
|---|---|---|---|
| 020 | _a9781452241333 | ||
| 050 |
_aMED RA 425 _b.P55 |
||
| 245 | _aPublic health research methods | ||
| 260 |
_aLos Angeles _bSage _c2015 |
||
| 300 |
_axlii,785. _bill. |
||
| 650 | _aPublic health | ||
| 650 | _aResearch design | ||
| 650 | _aEpidemiologic methods | ||
| 942 | _cBK | ||
| 999 |
_c37846 _d37846 |
||