Journal of General Internal Medicine
Journal of General Internal Medicine > 2007 > 22 > 3 > 303-307
Journal of General Internal Medicine > 2007 > 22 > 8 > 1094-1100
Journal of General Internal Medicine > 2007 > 22 > 3 > 303-307
Journal of General Internal Medicine > 2007 > 22 > 8 > 1094-1100