
Occupational Asthma and Occupational Rhinitis in Hairdressers
Keywords: hairdressers; occupational asthma; occupational rhinitis; persulfateBSA = bovine serum albumin; LMW = low molecular weight; OA = occupational asthma; PD20= provocative dose of methacholine causing a 20% fall in FEV1; SIC = specific inhalation challenge; S