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Immunoregulatory effects of morphine on human lymphocytes.
Nair MP, Schwartz SA, Polasani R, Hou J, Sweet A, Chadha KC. Nair MP, et al. Clin Diagn Lab Immunol. 1997 Mar;4(2):127-32. doi: 10.1128/cdli.4.2.127-132.1997. Clin Diagn Lab Immunol. 1997. PMID: 9067644 Free PMC article.