Walker, Norman. An Introduction to Dermatology/ Formerly by Norman Walker and G. H. Percival; 11th ed. by G. H. Percival. - 11th ed. - xii, 349 pages: ills. (some col.) 23cm. Include an index Subjects--Topical Terms: DermatologySkin DiseasesSkin--Diseases National Library of Medicine Call No.: WR21