Prevalence of Extended-Spectrum β –Lactomases (ESBL)-bacteria of Blood Isolates in Dr. Kariadi Hospital Semarang 2004-2005. Prevalence of ESBL bacteria varies among hospitals, which its reistance could be spread to other bacteria : causes infections with a high morbidity and mortality. There were no data of ESBL prevalence and its distribution within Dr. Kariadi hospital wards. Objective of …
LD50 determination in toxoplasma gondi infection in balb/c mice , LD50 is a merker of virulence which is reflects degree of microorganism pathogenecity. LD50 of every pathogens to be used should be determined in order to chose an appropiate infective dose of agents under the study. Toxoplasma gondii RH strain has been maintained in the laboratory by serial passage in mice for several years, in…