1. [Pilonidal cyst] Author(s): Treusch, Herbert Louis, 1900-1958, artist Subject(s): Surgical InstrumentsMedical Illustration
2. [Pilonidal cyst] Author(s): Treusch, Herbert Louis, 1900-1958, artist Subject(s): Surgical InstrumentsMedical Illustration
3. [Pilonidal cyst] Author(s): Treusch, Herbert Louis, 1900-1958, artist Subject(s): Surgical InstrumentsMedical Illustration
