TY  - GEN
AU  - Valdizán-Usón,J R
AU  - Romero,F
AU  - Almárcegui,M C
TI  - [Meta-analysis: trials with melatonin and its effect on the sleep. Letter]
SN  - 0210-0010
PY  - 1997///0514
KW  - Blindness
KW  - Circadian Rhythm
KW  - Humans
KW  - Melatonin
KW  - metabolism
KW  - Sleep
KW  - physiology
N1  - Publication Type: Letter; Meta-Analysis
ER  -