Distribution of bronchial responsiveness in a general population: effect of sex, age, smoking, and level of pulmonary function.
Paoletti, P; Carrozzi, L; Viegi, G; Modena, P; Ballerin, L; Di Pede, F; Grado, L; Baldacci, S; Pedreschi, M; Vellutini, M
American Journal of Respiratory & Critical Care Medicine.
151(6):1770-1777, June 1995.
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