(Q44248920)
Statements
1 reference
Prevalence and stress factors of sleep disorders in children starting school (English)
1 reference
Susanne Kraenz
1 reference
Leonie Fricke
1 reference
Alfred Wiater
1 reference
Alexander Mitschke
1 reference
Ulla Breuer
1 reference
Gerd Lehmkuhl
1 reference
1 January 2004
1 reference
1 reference