310,868 INTERVENTIONS Interventions and strategies in patients with obstructive airways disease : Proceedings of a symposium held on September 23-25, 1989, in Lake Louise, Canada / Guest ed. Roger C. Bone. - [New York] : Cahners Publ. Co., 1991. - [6], 46 s. : il., wykr. ; 28 cm (The American Journal of Medicine ISSN 0002-9343 ; vol. 91, suppl. 4A)