PRACE DOKTORSKIE - FINLANDIA 552,275 SEPPALA HELENA Streptococcus pyogenes ; erythromycin resistance and molecular typing : [thesis] / by Helena Seppala ; [from the National Public Health Institute, Department in Turku, and Department of Medical Microbiology]. - Turku : Turun Yliopisto, 1994. - 101, [45] s. : il., mapki, wykr. ; 25 cm (Annales Universitatis Turkuensis. Ser. D : Medica-Odontologica, ISSN 0355-9483 ; 157) Zawiera 5 prac współaut. ISBN 951-29-0332-6