@article{d7fa8b9ec66e4a65802442d7355930f9,
title = "The direction of longitudinal associations between sleep problems and depression symptoms: A study of twins aged 8 and 10 years",
keywords = "Depression, Genetics, Pediatrics, Sleep, Twins",
author = "Gregory, \{Alice M.\} and Rijsdijk, \{Fr{\"u}hling V.\} and Lau, \{Jennifer Y.F.\} and Dahl, \{Ronald E.\} and Eley, \{Thalia C.\}",
year = "2009",
doi = "10.1093/sleep/32.2.189",
language = "English",
volume = "32",
pages = "189--199",
journal = "Sleep",
issn = "0161-8105",
publisher = "Oxford University Press",
number = "2",
}