TY - ADVS AU - Swinyer,Leonard J. ED - American Academy of Dermatology. ED - Institute for Dermatologic Communication and Education TI - Primary and secondary lesions PY - 1981/// CY - [Evanston, Ill.] PB - American Academy of Dermatology, Committee on Audiovisual Education KW - Skin Diseases KW - pathology N1 - Title on handout: Primary (1 [degree]) and secondary (2 [degree]) lesions; From the collection of Leonard J. Swinyer ER -