Introduction to the special section: the neglected psychological-physical interface.
D003363:Cost Control; D006801:Humans; D010348:Patient Care Team / Q000191:economics; D011320:Primary Health Care / Q000191:economics; D011602:Psychophysiologic Disorders / Q000175:diagnosis / Q000523:psychology* / Q000628:therapy; D011603:Psychophysiology; D013001:Somatoform Disorders / Q000175:diagnosis / Q000523:psychology* / Q000628:therapy