Dermatology, Hardcover by Bolognia, Jean L.. (EDT); Schaffer, Julie V.. (EDT); Cerroni, Lorenzo. (EDT); Cowen, Edward W.. For dermatology residents and trainees, as well as those in clinical practice,Dermatology is the leading reference forunderstanding, diagnosing, and treating the full spectrum of skin disease —and is the key resource that residents rely on throughout their training and certification.