title: Patch testing with primin in white petrolatum.
mesh_terms: D016227:Benzoquinones; D003877:Dermatitis, Contact / Q000175:diagnosis*; D005188:False Negative Reactions; D006801:Humans; D010328:Patch Tests / Q000379:methods*; D010577:Petrolatum; D010947:Plants, Toxic; D011809:Quinones; D012882:Skin Tests / Q000379:methods*
chemical_list: D016227:Benzoquinones; D011809:Quinones; C014773:primin; D010577:Petrolatum