| 000 | 00399nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 160509s9999 xx 000 0 und d | ||
| 020 | _a0300-5771 | ||
| 100 | _aInternational Journal of Epidemiology | ||
| 245 | _aInternational Journal of Epidemiology : 1991 : Volume 20(1-2) : Shelf 23.1 | ||
| 260 |
_bOxford University Press _c1991 |
||
| 300 | _a586p. | ||
| 650 | _aInternational Journal of Epidemiology | ||
| 999 |
_c5257 _d5257 |
||