Eosinophil cationic protein (ECP), histamine and tryptase in peripheral blood before and during inhalation challenge with toluene diisocyanate (TDI) in sensitized subjects. - Mapp, C. E.; Plebani, M.; Faggian, D.; Maestrelli, P.; Saetta, M.; Calcagni, P.; Borghesan, F.; Fabbri, L. M. (Clinical & Experimental Allergy, 1994)