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The number of glucocorticoid receptors ( GCR ) in peripheral leukocytes was determined by radioligand-binding assay in extrinsic and intrinsic asthmatics .
 cell type: peripheral leukocytes; protein: GCR; protein: glucocorticoid receptors
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: peripheral leukocytes, GCR, glucocorticoid receptors 
Answer:
 cell type: peripheral leukocytes; protein: GCR; protein: glucocorticoid receptors