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In order to inquire into the functional state of adrenal cortex in patients with pulmonary heart disease , the number of glucocorticoid receptors ( GCR ) of peripheral blood leukocytes in patients with chronic pulmonary heart disease was determined with radioligand-binding assay and the corresponding plasma cortisol levels were assessed with radioimmune assays .
 protein: glucocorticoid receptors; protein: GCR; cell type: peripheral blood leukocytes
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: glucocorticoid receptors, GCR, peripheral blood leukocytes 
Answer:
 protein: glucocorticoid receptors; protein: GCR; cell type: peripheral blood leukocytes