| 000 | 00333nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 251112s9999||||xx |||||||||||||| ||und|| | ||
| 022 | _a0002-9262 | ||
| 040 | _aCNCLSA | ||
| 245 | 0 | _aAmerican Journal of Epidemiology | |
| 260 |
_c1981 _bThe Johns Hopkins University _aU.S.A |
||
| 300 | _aP. 1-932 | ||
| 300 | _bV. 114 | ||
| 942 | _cJRBV | ||
| 999 |
_c16727 _d16727 |
||