Stage 1, the normal foot
Stage 2, the high-risk foot
Stage 3, the ulcerated foot
Stage 4, the infected foot
Stage 5, the necrotic foot
Stage 6, the unsalvageable foot
Surgical approach to the diabetic foot.
A practical manual of diabetic foot care by M. E. Edmonds. ISBN 9781405161473. Published by Blackwell in 2008. Publication and catalogue information, links to buy online and reader comments.