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Many theorists and helping professionals have emphasized the importance of self-concept in personal adjustment. Increasingly, theorists and caregivers are perceiving self-concept as playing a pivotal role in the specific realm of learning, teaching and everyday living. As clinicians and scientists we see daily the close tie between parental competence, teacher's influence and emotional functioning and how children succeed with many of life's worries. Insufficient attention has been paid to the theoretical underpinnings of predicting children's emotional reactions to stress and conflict with self from a systems viewpoint. Longitudinal preventive and developmental studies of adults' influence on children's ability to cope with life's stresses and classroom's conflict, through polydimensionl procedures incorporated into a therapeutic counselling or consulting atmosphere that includes caring, respect, empathic understanding and acceptance, are mandatory. Theoretical frameworks are already developed which must be drawn on to drive the best predictions of when and how to involve our child client (patient) with social and family support. The current essay will attempt to bridge school and family systems and social network theories to the understanding of children's coping with self in a bid to enhance their self-concept.  相似文献   
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Sexually transmitted infections (STIs) are major public health challenge especially in developing countries. This study was designed to determine the prevalence of Hepatitis B virus (HBV), Hepatitis C Virus (HCV), Human immunodeficiency virus (HIV), and Human T-cell lymphotropic Virus type I (HTLV-I) among pregnant women attending antenatal clinic, in Ladoke Akintola University Teaching Hospital, Osogbo, and South-Western Nigeria. One hundred and eighty two randomly selected pregnant women were screened for HBsAg, anti-HCV, anti-HIV and HTLV-1 IgM antibodies using commercially available ELISA kit. Of the182 blood samples of pregnant women screened whose age ranged from 15–49 years, 13 (7.1%), 5 (2.7%), 9 (4.9%), and 44 (24.2%) were positive for HBsAg, anti-HCV, anti-HIV, and HTLV-1 IgM antibodies, respectively. The co-infection rate of 0.5% was obtained for HBV/HCV, HBV/HIV, HIV/HTLV-1, and HCV/HTLV-1 while 1.1% and 0% was recorded for HBV/HTLV-1 and HCV/HIV co-infections, respectively. Expected risk factors such as history of surgery, circumcision, tattooing and incision showed no significant association with any of the viral STIs (P > 0.05). This study shows that there is the need for a comprehensive screening of all pregnant women for HBsAg, anti-HCV, anti-HIV and HTLV-1 to prevent mother to child transmission of these viral infections and its attending consequences.  相似文献   
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ObjectiveThe objective of this study is to develop an isotope dilution liquid chromatography tandem mass spectrometry assay to screen for hepatorenal tyrosinemia (HT) from newborn filter paper samples using pooled extracts to increase high throughput screening.Design and methodsSuccinylacetone (SUAC), the marker for HT, was extracted from dried blood spots with the formation of the hydrazone derivative of SUAC; up to eight sample extracts were pooled and the SUAC-derivative was analyzed by mass spectrometry methods with an injection-to-injection time of one minute. If any pooled sample extract screened positive, then the samples comprising the pooled sample were assayed individually.ResultsTwo newborn infants were identified with high levels of SUAC (7 & 23 μM) and later confirmed to have HT. Three older children whose initial filter paper samples were taken at 195 days to 614 days of age with elevated SUAC (range 4.9–5 μM) were identified; one of the three had clinical signs of HT and was placed on treatment (diagnosis of the other two are unavailable).ConclusionMS/MS analysis of pooled dried blood sample extracts permits sensitive, reduced instrumental analytical time and increase high throughput screening for HT.  相似文献   
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Heterotopic pregnancy (HP) is the co-existence of intrauterine and ectopic pregnancies; it is said to be rare. We report the case of a 22 year old woman with HP after unsuccessful attempts at abortion. This report illustrates the treatment difficulties encountered in a delayed presentation, and the nature HP is assuming in rural practice. It also highlights the role of family physicians in reducing maternal mortality in resource-limited settings.  相似文献   
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The rising problem of resistance to most commonly used antimalarials remains a major challenge in the control of malaria suggesting the need for new antimalarial agents. This work explores the antiplasmodial potential of ethanol extract of Russelia equisetiformis in chloroquine Plasmodium berghei infected mice. Swiss albino mice were intraperitoneally infected with chloroquine-resistant P. berghei (ANKA). Experimental mice were treated for four days consecutively with graded doses of plant extracts and standard antimalarial drugs (artesunate and chloroquine) at a dose of 10 mg/kg body weight used as control. The extract showed a dose-dependent activity in the chemosuppression of P. berghei parasites by 31.6, 44.7, 48.4 and 86.5% at doses of 100, 200, 400 and 800 mg/kg, while chloroquine (10 mg/kg) and artesunate produced 59.4 and 68.4%, respectively. The extract showed a significant decrease in parasitaemia (P<0.05). The level of parasitemia and decrease in weight in all the treated groups was significantly lower (P<0.05) compared with the infected but untreated mice. The plant extract was devoid of toxicity at the highest dose tested (5000 mg/kg). The study concluded that the ethanol extract of R. equisetiformis possesses antimalarial effect, which supports the folk medicine claim of its use in the treatment of malaria.  相似文献   
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