Wagner EH, VonKorff M, Simon GE. Anxious and depressed patients in primary care: the need for more clinical epidemiology. J Gen Intern Med. 1994 Sep;9(9):534-5.
Wagner EH, VonKorff M, Simon GE. Anxious and depressed patients in primary care: the need for more clinical epidemiology. J Gen Intern Med. 1994 Sep;9(9):534-5.