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Humoral and cellular immune responses to split-virion H5N1 influenza vaccine in young and elderly adults
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Evaluation of cellular immunity to mumps in vaccinated individuals with or without circulating antibodies up to 16 years after their last vaccination
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Prevalence of HIV and hepatitis C infection among patients with schizophrenia
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Oral fluid as a medium for the detection of hepatitis B surface antigen
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Careless doctors are dangerous for their patients