TY  - GEN
AU  - Hyyppä,M T
TI  - [Beneficial light]
SN  - 0012-7183
PY  - 1989///0626
KW  - Circadian Rhythm
KW  - Cold Climate
KW  - adverse effects
KW  - Humans
KW  - Light
KW  - Melatonin
KW  - metabolism
N1  - Publication Type: Journal Article; Review
ER  -