color blindness is a common x-linked genetic disorder. however, most of color blinds remain undetected due to absence of proper screening. our study was to determine the prevalence of red-green color vision defects among manipuri muslim males and females. the study could help in decreasing birth of children with this disorder as muslims commonly perform consanguineous marriage among themselves....

Abstract High quality, representative data from HIV surveillance systems that have country ownership and commitment are critical for guiding national responses, especially among key priority populations given their disproportionate role in the transmission of virus. Between 2011 to 2013, Mozambique Ministry Health has conducted five Biobehavioral Surveillance Surveys (female sex workers, men wh...

Studies on 'hidden populations', such as homeless people, prostitutes and drug addicts, raise a number of specific methodological questions usually absent from research involving known populations and less sensitive subjects. This paper examines the advantages and limitations of nonrandom methods of data collection such as snowball sampling. It reviews the currently available literature on samp...

Hidden Markov models are mixture models in which the populations from one observation to the next are selected according to an unobserved finite state-space Markov chain. Given a realization of the observation process, our aim is to estimate both the parameters of the Markov chain and of the mixture model in a Bayesian framework. In this paper, we present an original simulated annealing algorit...

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