(Q49048494)
Statements
1 reference
Insomnia and its treatment. Prevalence and correlates. (English)
1 reference
Mellinger GD
1 reference
Balter MB
1 reference
Uhlenhuth EH
1 reference
1 March 1985
1 reference
1 reference
42
1 reference
3
1 reference
225-232
1 reference