title: Photocontact dermatitis caused by Parthenium hysterophorus.
mesh_terms: D000368:Aged; D003877:Dermatitis, Contact / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D019684:Magnoliopsida; D008297:Male; D010787:Photosensitivity Disorders / Q000175:diagnosis / Q000473:pathology; D012882:Skin Tests