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We tested the hypothesis that angiotensin-converting enzyme (ACE) and angiotensinogen gene polymorphism influence the incidence, development and outcome of preeclampsia. Subjects were recruited from 90 Korean patients with preeclampsia during pregnancy and 98 age-matched controls. After isolation of DNA, polymerase chain reactions (PCR) were carried out to(More)
OBJECTIVES This study aimed to characterize the prevalence of antibiotic resistance in Escherichia coli isolates from the fecal samples of fishery workers who work in fish farms and often use antibiotics for the feeding fishes. METHODS Seventy-three E. coli strains isolated from the fecal samples of fishery workers and 180 isolates from a control group of(More)
Functions of wireless routing protocols are classified two: finding a route and maintaining the route. The route maintenance function also has two functions: detecting a link-breakage and recovering the broken route. This paper proposes a method to actively detect link breakages unlike conventional methods such as using a hello messages in the routing(More)