1. Hyperkeratosis of scars in the weight-bearing areas of the foot;Avella´n;Acta Chirurgia Scandinavica,1966
2. Sole skin as a donor site to replace palmar skin;Le Worthy;Plastic and Reconstructive Surgery,1963
3. Repairs of the heel;Maisels;British Journal of Plastic Surgery,1961
4. Functional graft of the heel;Mir y Mir;Plastic and Reconstructive Surgery,1954