Department of Dermatology
- Information for patients and medical professionals on skin, hair, nail and mucous membrane diseases. Description of clinical services and treatments, medical staff and laboratory services provided at Mayo Clinic, Rochester, Minnesota.
- http://www.mayoclinic.org/dermatology-rst/

Hamzavi Dermatology
- Dr Syed L. H. Hamzavi, M.D and Dr. Iltefat Hamzavi, present their practice and information pamphlet on work related dermatitis, Clinton Township and Port Huron, Minnesota.
- http://www.hamzavi.com