long-term ingestion of large amounts of fluoride can lead to potentially severe skeletal problems and neurological consequences. the study was conducted to assess and compare intelligence quotient of children living in high and low fluoride areas in kutch, gujarat, india.a cross-sectional descriptive survey was conducted among 100 school children aged 8 to 10 years, living in kutch district, gu...

objective: the purpose of this study was to compare the use of cross-sectional imaging techniques verses surgery in locating parotid masses. material and methods: our study was performed on patients assumed to have parotid masses from dec 2010 to dec 2011. before surgery, imaging studies (computed tomography and magnetic resonance imaging) of parotid were done. after surgery, we compared the su...

background china is a country with a high prevalence of hepatitis b. as a special population, migrant workers are more vulnerable to hepatitis b. objectives the present study was conducted to gain insight into the prevalence of hepatitis b and knowledge about hepatitis b among migrant workers in shandong province, china, as well as to explore a series of strategies for preventing and controllin...

This study assesses the effects of industrial disputes legislation and the dispute settlement process on informal versus formal employment in India. It uses indicators of pro-worker court awards and court efficiency as well as amendments to the Industrial Disputes Act (IDA) at the level of Indian states. The state-level IDA amendments are classified as pro-worker or proemployer and enforcement ...

1 Summary Although similar to weighting for unit nonresponse in cross-sectional surveys, adjustment for panel non-response needs to incorporate information about nonrespondents collected in the early waves of the panel. We review different weighting adjustments for panel nonresponse and discuss methods for incorporating complex survey design variables into the weighting adjustments. We propose ...

China’s domestic rural-to-urban migration has reached a stage where migration in family units is common, and basic data on the wellbeing of these families in urban settings are required for adequate social services. To obtain such data, we conducted a large-scale (N = 16,550) cross-sectional survey in Beijing of rural-to-urban migrant workers’ children attending the fourth through ninth grades,...

In this article, we establish a sharp inequality involving δ-invariant introduced by Chen for submanifolds in quaternionic space forms of constant quaternionic sectional curvature with arbitrary codimension. Mathematics Subject Classification: 53B25, 53B35.

We establish some inequalities for invariant submanifolds involving totally real sectional curvature and the scalar curvature in a quaternion space form. The equality cases are also discussed. AMS Mathematics Subject Classification (2010): 53C40