منابع مشابه
The Reopened Ventricular Septal Defect
SJNCE the first open intracardiac repair of interventricular septal defects and tetralogy of Fallot,1 2 rapid progress has been made in operative technics and in extracorporeal perfusion technology. Operative risk has steadily declined, and recent communications indicate that in ventricular septal defects uncomplicated by pulmonary hypertention the mortality rate is approximately 2 per cent.3 5...
متن کاملSir Cyril Burt in Perspective
Numerical peculiarities in Sir Cyril Burt's reports of kinship correlations are most reasonably attributable to carelessness rather than fraud. Showing statistically significant deviations from randomness in the final digits of correlations, Ns, and IQs, or other nonrandomness suggesting "digital preferences," is unconvincing as purported evidence that Burt's figures were faked. -No analysis is...
متن کاملKinship correlations reported by Sir Cyril Burt.
All the kinship correlations (and their sample sizes) reported over a period o f 30 years by Sir Cyril Burt are presented in tabular form. The kinships include identical twins reared together and apart, fraternal twins, siblings, parent-child, grandparent-grandchiM, cousins, and others, more rare types o f relationships. Burt's statistical methods and the procedures for testing and obtaining "f...
متن کاملBurt and Coleman Networks in Electronic Intermediation
Two predominant network forms, Burt and Coleman, are delineated to identify the underlying structure and dynamics of electronic intermediation models. Basic differentiating characteristics between the two network types, including nodes, structures, products, transactions, market maturity, and technology improvement, are identified. Two comparative cases are analyzed to illustrate the utility of...
متن کاملCommentary (Burt): Genetics of Colorectal Cancer
Colorectal cancer is undoubtedly one of the most genetically studied malignancies. In the past 20 years, substantial progress has been made in understanding the genetic and molecular pathogenesis of this cancer. It is instructive that the genes involved in the inherited colon cancer syndromes are the same genes involved in the etiology of most colorectal cancers. Familial adenomatous polyposis ...
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ژورنال
عنوان ژورنال: Nature
سال: 1992
ISSN: 0028-0836,1476-4687
DOI: 10.1038/355103c0