Rosin and colophony contact allergy | DermNet
- Studies of colophony
Colophony | Allergic Contact Dermatitis Database
Colophony: Rosin in Unmodified and Modified Form
Colophony: Rosin in Unmodified and Modified Form
Colophony Definition & Meaning - Merriam-Webster
Colophony--uses, health effects, airborne measurement and analysis