| 000 | 00357nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 220613s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a0028-4793 | ||
| 100 | _axxx | ||
| 245 | 4 | _aThe New England Journal of Medicine | |
| 250 | _a383(14-27) Oct-Dec 2020 | ||
| 260 | _bMassachusetts Medical Society | ||
| 300 | _a2692 | ||
| 650 | _aMedicine | ||
| 942 | _cFJ | ||
| 999 |
_c14981 _d14981 |
||