Parental perception of zygosity might bias heritability estimates derived from parent rated twin data. This is the first study to examine if similarities in parental reports of their young twins' behavior were biased by beliefs about their zygosity. Data were from Gemini, a British birth cohort of 2402 twins born in 2007. Zygosity was assessed twice, using both DNA and a validated parent report...

OBJECTIVE To identify the factors most strongly associated with sleeping less than 6 consecutive hours at night for children aged 5, 17, and 29 months. DESIGN, SETTING, AND PARTICIPANTS A randomized survey design used a representative sample of infants born in 1997-1998 in the Canadian province of Quebec. Data were collected by questionnaires and interviews. Interviews were scheduled at home ...

To determine the effects of age on the myocardium, the functional and structural characteristics of the heart were studied in rats at 4, 12, 20, and 29 months of age. Mean arterial pressure, left ventricular pressure and its first derivative (dP/dt), and heart rate were comparable in rat groups up to 20 months. During the interval from 20 to 29 months, elevated left ventricular end-diastolic pr...

The objective of the study was to evaluate the fluoride concentration in bottled water available on the market, in comparison with the values printed on the bottle label. Two hundred and twenty-nine water samples were collected from 35 brands available in several supermarkets, grocery stores and snack bars with high turnover in different regions of the municipality of São Paulo, Southeastern Br...

A retrospective study of 9,335 cases of human leptospirosis in the state of São Paulo, Brazil, diagnosed between 1969 and 1997 showed that the disease is endemic throughout the state. Middle-aged adults, with a range of 20-39 years, were most frequently infected (32.40%). The mean annual incidence was 0.53 per 100,000 population and the disease was more frequent in males (87.0%). Cases occurred...

Acute childhood illness is a universal experience for children and families. This paper presents the central process of a Glaserian grounded theory study which explored family management of acute childhood illness at home. Twenty-nine interviews were conducted with 15 families of children 0-9 years of age. Constant comparative analysis generated the substantive grounded theory 'Containing acute...

The preliminary investigations of crude during resources of sugali tribes of Anantapur district, Andhra Pradesh with their recipes, preparation of drugs, administration, usage form several centuries. Fifty plant crude drugs (species) belong to twenty nine families were collected based on folk-lore knowledge. Botanical name, family name, part used, mode of preparation and administration and purp...

INTRODUCTION ................................................................. 27 PRESENTATION OF RESULTS ...................................................... 29 The correlation between monthly egg record and annual egg production.. .. 29 The correlation between monthly egg record and the total production of the remaining eleven months .............................................. 44 The cor...

BackgroundThe occurrence and related predictors of acromial fracture following reverse total shoulder arthroplasty (RTSA) have not been fully elucidated. The aim this study was to determine the incidence risk factors fractures after RTSA.MethodsWe conducted a multicenter, retrospective case-control 787 cases (29 in group 758 control group) that underwent RTSA performed by 6 surgeons. mean durat...