Bibliography: leaves 144-174. / ix, 176, [66] leaves, [22] leaves of plates : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Isolates Escherichia coli from Adelaide children and screens for the presence of Shiga-like toxins genes using the polymerase chain reaction and by hybridization with specific DNA and oligodeoxynucleotide probes. Four SLT-producing strains were isolated. / Thesis (Ph.D.)--University of Adelaide, Dept. of Microbiology and Immunology, 1994