Colophony in collodion.
D003101:Collodion / Q000009:adverse effects*; D003875:Drug Eruptions / Q000209:etiology*; D006801:Humans; D012116:Resins, Plant / Q000009:adverse effects*; D013638:Tars / Q000009:adverse effects*
D012116:Resins, Plant; D013638:Tars; C013893:rosin; D003101:Collodion