372052
Elevated levels of macroglobulins ( macroglobulinemia ) may cause manifestations of excess blood viscosity ( as is the case for IgM antibodies in Waldenström macroglobulinemia ) and/or precipitate within blood vessels when temperature drops ( as in cryoglobulinaemia ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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