TY  - JOUR
A1  - Holstein, B.E.
A1  - Ammitzbøll, J.
A1  - Damsgaard, M.T.
A1  - Pant, S.W.
A1  - Pedersen, T.P.
A1  - Skovgaard, A.M. 
T1  - Difficulties falling asleep among adolescents: Social inequality and time trends 1991–2018
Y1  - 2019
DO  - 10.1111/jsr.12941
VL  - 29
IS  - 1

ER  -