[Call for more health services research].
Riedel-Heller
Steffi
S
Bramesfeld
Anke
A
Roick
Christiane
C
Becker
Thomas
T
König
Hans-Helmut
HH
D003430:Cross-Sectional Studies; D005544:Forecasting; D005858:Germany; D006301:Health Services Needs and Demand / Q000639:trends*; D006302:Health Services Research / Q000639:trends*; D006801:Humans; D001523:Mental Disorders / Q000453:epidemiology*; D008605:Mental Health Services / Q000600:supply & distribution*