REBUCK ANTHONY S: [red.] 297,075 ANTICHOLINERGIC Anticholinergic therapy with atrovent : an inportant new advance in asthma and bronchitis therapy : a symposium Toronto, Canada March 1983 / Anthony S. Rebuck [et al.] . — [Quebec : Boehringer Ingelheim (Canada) Ltd. : MedMark Communications Inc., 1983]. —98 s. : il., wykr. ; 28 cm