000 | 00789 a2200241 4500 | ||
---|---|---|---|
005 | 20250513004855.0 | ||
264 | 0 | _c19830623 | |
008 | 198306s 0 0 eng d | ||
022 | _a0023-6764 | ||
040 |
_aNLM _beng _cNLM |
||
100 | 1 | _aAllen, D M | |
245 | 0 | 0 |
_aA device providing gradual transitions between light and dark periods in the animal room. _h[electronic resource] |
260 |
_bLaboratory animal science _cApr 1980 |
||
300 |
_a252-4 p. _bdigital |
||
500 | _aPublication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. | ||
650 | 0 | 4 | _aAnimals |
650 | 0 | 4 | _aAnimals, Laboratory |
650 | 0 | 4 | _aDarkness |
650 | 0 | 4 | _aHousing, Animal |
650 | 0 | 4 | _aLight |
650 | 0 | 4 | _aLighting |
773 | 0 |
_tLaboratory animal science _gvol. 30 _gno. 2 Pt 1 _gp. 252-4 |
|
999 |
_c7052030 _d7052030 |