title: Patch testing versus history in poison ivy/oak dermatitis.
authors.affiliation: Department of Dermatology, University of California, School of Medicine, San Francisco 94143-0989, USA.
authors.forename: H
authors.initials: H
authors.lastname: Zhai
authors.forename: Y C
authors.initials: YC
authors.lastname: Chang
authors.forename: M
authors.initials: M
authors.lastname: Singh
authors.forename: H I
authors.initials: HI
authors.lastname: Maibach
mesh_terms: D000328:Adult; D002396:Catechols / Q000008:administration & dosage; D011040:Dermatitis, Toxicodendron / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008487:Medical History Taking; D008875:Middle Aged; D010328:Patch Tests / Q000379:methods*; D010947:Plants, Toxic; D012016:Reference Values; D012680:Sensitivity and Specificity; D012251:Toxicodendron
chemical_list: D002396:Catechols; C003747:urushiol