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The successful identification of human skeletal remains relies on proven diagnostic techniques for sex determination. This research utilized 608 individuals from South Africa (420 men, 188 women) to conduct a blind nonmetric determination of sex from three features of the distal humerus: olecranon fossa shape, angle of the medial epicondyle, and trochlear extension. A scoring system between males and females was implemented, and the aggregate score of the three features determined the estimated sex of the skeletal element in question. With all features combined, black and white South Africans were categorized successfully as either male or female 75.5% (77% accuracy rate for females, 74% accuracy rate for males). This classification rate is lower than what was found in previous studies, but suggests that characteristics of the distal humerus are still quite valuable when estimating skeletal sex. More research is needed to assess reasons for the differential expression of these traits in different populations and to determine whether the method is nonpopulation specific. 相似文献
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Comstock RD Mallonee S Kruger E Rayno K Vance A Jordan F 《The American journal of forensic medicine and pathology》2005,26(3):229-235
In Oklahoma, all nonnatural deaths must be reported to the Office of the Chief Medical Examiner (ME), whose trained investigators report cause of death using a centralized, statewide, standardized reporting system. The purpose of this study was to determine temporal trends of Oklahoma homicide-suicide events and characterize the epidemiology of these events. By reviewing all ME reports of homicides and suicides from 1994 through 2001, we identified 73 homicide-suicide events resulting in 73 suicides and 89 homicides. Suicidal perpetrators of homicide-suicide events were most often white men aged >or=30 years who killed a current or ex-spouse or intimate partner. Homicide victims tended to be younger women the same race as their killer. Firearms were the predominant method of death in both homicides and suicides, with handguns used most frequently. Divorce/estrangement was the main contributing factor to these events, and the most common relationship type was possessive. The existence of a statewide, centralized, and computerized ME system and the ability to access the detailed information in the ME narratives were critical to identifying homicide-suicide events and obtaining the type of detailed information necessary to fully investigate these events. 相似文献
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Rotating savings and credit associations (ROSCAs) are widespread and remain a key financial management tool for poor individuals. We analyse data from Taiwanese bidding ROSCAs and focus on how social relationships within the group influence contribution behaviour and ROSCA failure. We find that less socially-connected participants were more likely to receive the pot early in the cycle, which increases their incentive to default, yet contrary to accepted wisdom groups including more outsiders were not more likely to experience repayment problems. Our results highlights how bidding ROSCAs can be a versatile device that provide profitable savings while allowing for emergency credit. 相似文献
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B M Vance 《The American journal of forensic medicine and pathology》1989,10(2):174-180
This work is based on the lecture given by Dr. Bernard M. Vance, then Assistant Chief Medical Examiner of New York, to the Homicide Squad Detectives of New York City on November 2, 1933, at the New York Police Academy. He entitled his presentation "Death, simulation of death and suspicion of death." Dr. Vance was an outstanding member of the New York Office's Forensic Pathology Group and was known for his colorful renditions of the scene and autopsy findings in medicolegal cases. 相似文献
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Background: In children and adolescents with a depressive disorder, predicting who will also go on to exhibit suicide-related behaviors (SRBs), including suicide attempt or self-harm, is a key challenge facing clinicians. Aims: To investigate the relative contributions of depressive disorder severity, hopelessness, family dysfunction, and perceived social support to the risk of suicide-related behaviors. Methods: This was a cross-sectional study of a group of 10-16-year-olds with major depressive disorders and dysthymic disorder. Results: Child-rated depressive disorder symptom severity emerged as the greatest predictor of risk. Hopelessness and family dysfunction were also significant predictors of SRBs. In combination these variables were strong predictors, accounting for 66% of the variance. This is a cross-sectional study design, rather than longitudinal, therefore risk prediction over time was not possible. Conclusions: Understanding the child and adolescents depressive disorder symptom severity from their perspective, their level of hopelessness, as well as their family context is critical in understanding the risk of SRBs. These findings may help to provide direction for targeted interventions to address these clinical risk factors. 相似文献