Migraine runs in families ..
نویسندگان
چکیده
منابع مشابه
Infant abuse runs in families of group-living pigtail macaques.
OBJECTIVE The aims of this study were to investigate genealogical and demographic influences on maternal abuse and neglect of offspring in pigtail macaques and identify some maternal and infant characteristics that may be risk factors for abuse or neglect. METHOD Infant abuse and neglect were investigated in five large families of group-living pigtail macaques over a period of 33-years (5-7 g...
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BACKGROUND Sexual crime is an important public health concern. The possible causes of sexual aggression, however, remain uncertain. METHODS We examined familial aggregation and the contribution of genetic and environmental factors to sexual crime by linking longitudinal, nationwide Swedish crime and multigenerational family registers. We included all men convicted of any sexual offence (N = 2...
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Given an i.i.d. sequence of n letters from a finite alphabet, we consider the length of the longest run of any letter. In the equiprobable case, results for this run turn out to be closely related to the well-known results for the longest run of a given letter. For coin-tossing, tail probabilities are compared for both kinds of runs via Poisson approximation.
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BACKGROUND Etiological theory and prior research with small or selected samples suggest that interpersonal violence clusters in families. However, the strength and pattern of this aggregation remains mostly unknown. METHOD We investigated all convictions for violent crime in Sweden 1973-2004 among more than 12.5 million individuals in the nationwide Multi-Generation Register, and compared rat...
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What will yield the best results: doing one run n generations long or doing m runs n/m generations long each? This paper presents a techniqueindependent analysis which answers this question, and has direct applicability to scheduling and restart theory in evolutionary computation and other stochastic methods. The paper then applies this technique to three problem domains in genetic programming....
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ژورنال
عنوان ژورنال: BMJ
سال: 1995
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.311.7014.1227