| 000 | 00362nam a22001457a 4500 | ||
|---|---|---|---|
| 020 | _a031654263 | ||
| 050 |
_aMED RA649 _bM2 |
||
| 100 | _aMacMahon Brian | ||
| 245 | _aEpidemiology : principles and methods | ||
| 260 |
_aBoston _bLittle, Brown and company _c1970 |
||
| 300 |
_aix, 376p. _bill. |
||
| 650 | _aEpidemiology | ||
| 700 | _aPugh, Thomas F. | ||
| 942 | _cBK | ||
| 999 |
_c3331 _d3331 |
||