1
The treatment of generalized anxiety disorder: findings from a Spanish perspective. Eur J Health Econ 2010, 11:35?4. 10. Hamilton M: The assessment of anxiety states by rating. Br J Med Psychol 1959, 32:50?5. 11. Feldstein ML: Quality-of-life-adjusted survival for comparing cancer treatments. A commentary on TWiST and Q-TWiST. Cancer 1991, 67:S851 854. 12. Einarson TR, Arikian A, Iskedjian M: Phar