| 000 | 00353nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 251112s9999||||xx |||||||||||||| ||und|| | ||
| 022 | _a0028-4793 | ||
| 040 | _aCNCLSA | ||
| 245 | 4 | _aThe New England Journal of Medicine | |
| 260 |
_cApril 1, 1999 _bThe Massachusetts Medical Society _aU.S.A |
||
| 300 | _aP. 977-2012 | ||
| 300 | _bV. 340 | ||
| 942 | _cJRBV | ||
| 999 |
_c12969 _d12969 |
||