The challenges of positive mental health.
Ashton
John R
JR
D006285:Health Planning; D006292:Health Priorities; D006293:Health Promotion; D006801:Humans; D001523:Mental Disorders / Q000517:prevention & control*; D008603:Mental Health; D008605:Mental Health Services / Q000458:organization & administration; D011322:Primary Prevention; D006113:United Kingdom