REFERENCES
- Knudsen J F, Sokol G H. Potential glucosamine-warfarin interaction resulting in increased international normalized ratio: case report and review of the literature and MedWatch database. Pharmacotherapy 2008; 28: 540–548
- Gozalo P L, Miller S C, Intrator O, et al. Hospice effect on government expenditures among nursing home residents. Health Services Res 2008; 43: 134–153
- Clark L G, Upshur C C. Family medicine physicians' views of how to improve chronic pain management. J Am Board Family Med 2007; 20: 479–482