Hardening.
Wahlberg
J E
JE
D002396:Catechols / Q000009:adverse effects; D003877:Dermatitis, Contact / Q000175:diagnosis* / Q000209:etiology; D009783:Dermatitis, Occupational / Q000175:diagnosis* / Q000209:etiology; D006244:Hardness; D006801:Humans; D010328:Patch Tests
D002396:Catechols; C003747:urushiol