1. risk factors, ethnic differences and mortality associated with lower-extremity gangrene and amputation in diabetes.The WHO multinational study of vascular disease in diabetes;Chaturvedi;Diabetologia,2001
2. Mortality following lower extremity amputation in minorities with diabetes mellitus;Lavery;Diabetes Res Clin Pract,1997
3. Statistics and Census Department, Government of Hong Kong Special Administration Region, Hong Kong 2001 Population Census.
4. Ambulation levels of bilateral lower-extremity amputees;Volpicelli;J Bone Joint Surg,1983
5. Operative mortality with elective surgery in older adults;Finlayson;Eff Clin Pract,2001