300,410 AIRWAY Airway mucin : from the Sixth Transatlantic Airway Conference January 1991 : supplement / supported by a grant from Boehringer. - Ingelheim : Boehringer, 1991. - [4], 56 s. : il., wykr. ; 29 cm (American Review of Respiratory Disease, ISSN 0003-0805; vol. 144, nr 3, p. 2)