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In nonpregnancy lymphocytes a 3-day PHA treatment , as well as allogeneic stimulation, resulted in a significant increase in the number of receptor-containing cells .
 protein: PHA; cell line: lymphocytes; cell type: receptor-containing cells; cell line: nonpregnancy lymphocytes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: PHA; cell line: lymphocytes; cell type: receptor-containing cells; cell line: nonpregnancy lymphocytes