{Reference Type}: Consensus Development Conference {Title}: Nonspecific provocation of target organs in allergic diseases: EAACI-GA(2)LEN consensus report. {Author}: Bonini S;Rasi G;Brusasco V;Carlsen KH;Crimi E;Popov T;Schultze-Werninghaus G;Gramiccioni C;Bonini M;Passali D;Bachert C;van Cauwenberge PB;Bresciani M;Bonini S;Calonge M;Montan PG;Serapiao Dos Santos M;Belfort R;Lambiase A;Sacchetti M; {Journal}: Allergy {Volume}: 62 {Issue}: 6 {Year}: Jun 2007 {Factor}: 14.71 {DOI}: 10.1111/j.1398-9995.2007.01382.x {Abstract}: It is widely accepted that nonspecific tissue reactivity is a distinct pathophysiological hallmark of allergic diseases, influenced by genetic and environmental factors different from those involved in causing sensitization and allergen response of target organs. This consensus document aims at reviewing procedures currently used for nonspecific provocation of the bronchi, nose and eye and for measuring their responsiveness to nonspecific stimuli.