149. ANNALES UNIVERSITATIS TURKUENSIS. SER. D s MEDICA-ODONTOLOGICA 552,267 ARSTILA TUULA Beta-lactam resistance among Escherichia coli and Klebsiella Species : [thesis] / by Tuula Arstila from the Department of Medical Microbiology and the National Public Health Institute. - Turku Turun Yliopisto, 1994. - 63, [29] s. il., wykr. ; 25 cm (Annales Universitatis Turkuensis. Ser. D Medica-Odontologica, ISSN 0355-9483 , 149) Zawiera 5 prac wspóiaut. ISBN 951-29-0278-8