- Author: J. H. L. Playfair, Jutta Halbekath, Ralf Paus
- Language: German
- Year: 1989
- Author: Wolfram Sterry, Ralf Paus, Walter Burgdorf
- Language: English
- Year: 2006
Dermatology
pdf
- Author: Wolfram Sterry Walter Burgdorf Ralf Paus
- Language: English
- Year: 2006