Martin Walda

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A group of 130 children presenting with frequent respiratory tract infections was examined for serum levels of IgG-subclasses IgG1, IgG2, IgG3 and IgG4 using radial immunodiffusion according to Mancini. Additionally a control group of 175 children not prone to infections was investigated. Both, low and high levels compared to controls were observed for IgG3(More)
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