References
- Baum NH, Henkel G. Marketing your clinical practice: ethically, effectively, economically. 2d ed. Gaithersburg, Md: Aspen, 2000
- Goitein M. Waiting patiently. N Engl J Med 1990; 323(9): 604-8
- Baum NH, Aytona S. Office manual. Columbus, Ohio: Anadem, 1994