Laeijendecker, R.

lichen planus patient lichen planu lesion treatment reaction contact disease study dermatol patch amalgam patch test reactions mercury lichenoid group variant allergy dermatiti mucosa pathol erosive diagnosis histopathological effect amalgam fillings factor restoration dermatology metal examination result cutaneou patch test reaction infection symptom hepatitis month feature histopathological examination patien table virus contact dermatitis mercury compounds cyclosporin patch tests risk factors follow-up filling replacement association improvement van joost number corticosteroids patch testing syndrome reticular mucosal t-cell netherland cavity side effects malignancy tacrolimu change allergen material transformation liver hyperkeratotic eruption cell carcinoma literature prevalence involvement albert schweitzer hospital ammoniated mercury