FRACE DOKTORSKIE - SZWECJA 548,145 RYBERG MATS Chronic treatment with B-Adrenoceptor agonists in asthmatics : effects on Salivary gland function and dental caries development ; [Akademisk avhandling] / Mats Ryberg. - Umea : University of Umea, 1991. - 78 s. : i1., wykr. ; 24 cm (Umea University Odontological Dissertation Abstract ISSN 0345-7532 ; 40)