نتایج جستجو برای: twin
تعداد نتایج: 27136 فیلتر نتایج به سال:
Online forex Corvallis of an identical twin confronting the decision to donate a kidney to her sister, various branches of social insurance, and in a few countries fully or nearly universal flat-rate benefits were added to the instruments of public redistribution.
[This version: January 16, 2015] Abstract We consider two econometric problems when investigating the impact of family size on labor market outcomes using the popular twin-birth instrument. The first is the potential for omitted variable bias caused by the fact that fertility treatments are linked to twin births and are typically unobserved. We present estimates corrected for this bias and find...
This study reports on an investigation into the coarticulation patterns of a set of young adult male monozygotic (identical) twins, based on a speech corpus of monosyllabic words. The monosyllabic words were of the structure CVC, and were chosen to represent a variety of consonantal and vowel contexts. Coarticulation patterns were investigated by deriving F2 locus equations [e.g., 9, 10, 11] an...
Over the last 60 years, the resources and the research in the Danish Twin Registry (DTR) have periodically been summarized. Here, we give a short overview of the DTR and a more comprehensive description of new developments in the twenty-first century. First, we outline our experience over the last decade of combining questionnaire and survey data with national demographic, social, and health re...
Health[1] Health[1]Biology [2]Body [3]Life [4]Twins [5]Denmark [6]Videnskab.dk [7] Choosing to be a blood donor is hereditary, shows new research. Reveals bigger truth about altruism. A new study has found a connection between altruistic actions and the composition of our genes. "If you are a blood donor, then you are also altruistic, that is to say that you are charitable,” says Ole Birger Ped...
Automatic biometric systems based on human characteristics for personal identification have attracted great attention. Their performance highly depends on the distinctive information in the biometrics. Identical twins having the closest genetics-based relationship are expected to have maximum similarity in their biometrics. Classifying identical twins is a challenging problem for some a...
The twin reversed arterial perfusion (TRAP) sequence is a rare complication of 1% of monochorionic twin gestation with an incidence of 1 in 35,000 births. One twin is structurally normal while the other is abnormal with development of legs and lower body and undeveloped thorax, head and heart. The abnormal twin also referred as Acardiac monster twin receives its blood supply from normal or the ...
The Keio Twin Research Center has conducted two longitudinal twin cohort projects and has collected three independent and anonymous twin data sets for studies of phenotypes related to psychological, socio-economic, and mental health factors. The Keio Twin Study has examined adolescent and adult cohorts, with a total of over 2,400 pairs of twins and their parents. DNA samples are available for a...
Objective. To describe the rare association between prenatal vascular limb occlusion and twin-to-twin transfusion syndrome. The Case. A woman with severe twin-to-twin transfusion syndrome was treated with fetoscopic laser ablation at 19-week gestation. At 27 weeks, the twins were delivered by an emergency caesarean section. The right arm of twin 1, the recipient twin, was noted to be "ischaemic...
four fat-tailed ewes from an indoor flock (n=40) were examined for recumbency and depressive nervoussigns. they were from a seemingly nonpregnant group of the flock that had been diagnosed bytransabdominal ultrasonography. the ration consisted of mainly wheat straw since their separation from thepregnant group. detection of pregnancy on abdominal palpation along with depressive nervous signs an...
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