نتایج جستجو برای: intrafamilial transmission
تعداد نتایج: 246449 فیلتر نتایج به سال:
OBJECTIVE To identify factors that may increase the risk of a sexually victimised adolescent boy developing sexually abusive behaviour. DESIGN Sexually victimised boys who had sexually abused other children were compared with sexually victimised boys who had not done so. SETTING Social services departments in south east England were invited to refer sexually abused and sexually abusing boys...
Objective To quantify the effect of genetic factors and generations influencing the age at onset (AAO) in families with frontotemporal lobar dementia (FTD) due to C9ORF72 hexanucleotide repeat expansions and GRN mutations. Methods We studied 504 affected individuals from 133 families with C9ORF72 repeat expansions and 90 FTD families with mutations in GRN, 2 major genes responsible for FTD an...
BACKGROUND Analysis of the evolutionary dynamics of Helicobacter pylori allowed tracing the spread of infection through populations on different continents but transmission pathways between individual humans have not been clearly described. MATERIALS AND METHODS To investigate person-to-person transmission, we studied three families each including one child with persistence of symptoms after ...
OBJECTIVE To analyze risk and protective factors for mental health problems among adolescents. METHODS Cross-sectional study with a random sample (N=327; attrition rate=6.9%) of sixth grade students from all public and private schools in the city of Barretos, Southeastern Brazil, conducted in 2004. The factors studied were: exposure to intrafamilial and urban violence, family socioeconomic le...
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