Author:

Keywords:

basic blue 99, basic brown 17, CAS no. 68123-13-7, CAS no. 68391-32-2, contact urticaria syndrome, hair colouring agent, hairdresser, occupational, prick testing, thin-layer chromatography, Science & Technology, Life Sciences & Biomedicine, Allergy, Dermatology, Basic Blue 99, Basic Brown 17, Azo Compounds, Dermatitis, Allergic Contact, Dermatitis, Occupational, Female, Hair Dyes, Humans, Middle Aged, Naphthoquinones, Quaternary Ammonium Compounds, Syndrome, Urticaria, 1103 Clinical Sciences, 1107 Immunology, Dermatology & Venereal Diseases, 3202 Clinical sciences, 3204 Immunology