Ashton, Richard Differential diagnosis in dermatology / by Richard Ashton and Barbara Leppard - 2nd. ed. - Oxford : Radcliffe Medical Press, 1992 - xii, 300 p. : ill. ; 19 cm. ISBN: 1870905474 Subjects--Topical Terms: Skin Diseases--diagnosis--Atlases National Library of Medicine Call No.: WR17 / .A829d 1992 9