Comment on

• Differences in the use of psychiatric outpatient services between the United States and Ontario.

  Kessler RC, Frank RG, Edlund M, Katz SJ, Lin E, Leaf P. Kessler RC, et al. N Engl J Med. 1997 Feb 20;336(8):551-7. doi: 10.1056/NEJM199702203360806. N Engl J Med. 1997. PMID: 9023093