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BACKGROUND Fas and FasL are cell-surface receptors involved in apoptosis. Aim.  To investigate Fas and FasL expression levels in basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) to gain an insight into the mechanisms of Fas/FasL apoptosis and immune evasion in epidermal tumours. METHODS Real-time PCR and streptavidin-biotin(More)
In order to reveal immunization status of children in migrating families and its related risk factors, a study was conducted in Beijing, Inner Mongolia and Fujian from August to November, 1996. Results showed that the overall coverage with BCG, OPV, DPT and MV was 34.26% (95% CI: 29.75%-38.94%). Many factors influenced the immunization status of floating(More)
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