OBJECTIVE Several components of event-related potentials--P50 suppression, P300 amplitude and latency, and mismatch negativity--have been proposed as potential endophenotypes for schizophrenia on the basis of family studies. The present study used a twin design to estimate the extent of genetic overlap between these indices and the liability to schizophrenia. METHOD The authors measured misma...

prevention efforts [1]. In this sample of Greenland Inuit where both HIV and undernutrition remain uncommon, the risk of developing TB was markedly higher in persons with co-existing diabetes than in persons without. The very high risk associated with diabetes suggests potential reduction in the Greenland TB incidence rates through incorporating diabetes control and prevention in TB prevention ...

Bill S-17, Parliament’s effort to comply with international trade rules by extending pharmaceutical patent protection to 20 years, inadvertently opened the door to a broader investigation of the inner workings of the country’s pharmaceutical patent legislation. Industry Minister Brian Tobin says the bill must become law by August or Canada “will be in trouble with the World Trade Organization.”...

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background and objective: nonsteroidal anti-inflammatory agents are the treatment of choice for ductal closure in premature newborn. this study evaluates early and late outcome, as well as the effectiveness of oral ibuprofen in the treatment of patent ductus arteriosus (pda) in premature infants. methods: in this clinical trial, all preterm infants below 37 weeks, with documentation of pda were...

In the last 30 years, China has undergone one of the largest rural-to-urban migrations in human history, with many children left behind because of parental migration. We present a meta-analytic review of empirical studies on Chinese children's rural-to-urban migration and on rural children left behind because of parental migration. We examine how these events relate to children's emotional, soc...

There are still several unanswered research questions regarding tuberculosis (TB) contact investigations [1–4]. For example, up-to-date epidemiological studies regarding TB contacts in the area of intermediate incidence are not readily available [5]. The long-term risk of TB, especially beyond 5 years, remains undetermined [6]. Risk factors for TB development among contacts are also not well de...

In this paper we present some new versions of Brooks-Jewett and Dieudonné-type theorems for (l)-group-valued measures.

This paper presents the results of an exploratory empirical field test of the K-C Model of customer contact (Kellogg, 1991; Kellogg & Chase, 1995) in a hospital setting. Seventy service workers in seven departments of a regional hospital were surveyed regarding the elements of the K-C Model based on their perceptions of a "typical" service encounter with a customer/patient. Service worker SCORE...

We report a case in which multiple uncommon causes of an ischemic vascular accident coexisted in the same patient. The patient was admitted with signs of acute stroke. Investigation workup revealed a left atrial tumor (myxoma) and a patent foramen ovale. Intraoperatively, transesophageal echocardiography added new information: papillary fibroelastomas were found in the aortic valve. This findin...