| 000 | 00428pam a2200145 a 4500 | ||
|---|---|---|---|
| 020 | _a0917227077 | ||
| 050 | 0 | 0 |
_aRA652.4 _b.W35 |
| 100 | 1 | _aWalker, Alexander Muir. | |
| 245 | 1 | 0 | _aObservation and inference : an introduction to the methods of epidemiology |
| 260 |
_aChestnut Hill _bEpidemiology Resources Inc., _c1991 |
||
| 300 |
_av, 173p. _bill. |
||
| 650 | 0 | _aEpidemiology | |
| 650 | 2 | _aEpidemiologic Methods. | |
| 942 | _cBK | ||
| 999 |
_c4530 _d4530 |
||