| 000 | 00416nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 251112s9999||||xx |||||||||||||| ||und|| | ||
| 022 | _a0002-9262 | ||
| 040 | _aCNCLSA | ||
| 245 | 0 | _aAmerica Journal Of Epidmology | |
| 260 |
_cJuly, 1987 _bThe Johns Hopkins University School Of Hygiene And Public Health Sponsored By The Society For Eqidemiologic Research |
||
| 300 | _aP.1-1246 | ||
| 300 | _bV.126 | ||
| 942 | _cJRBV | ||
| 999 |
_c21227 _d21227 |
||