TY - RPRT TI - Blood donation leads to a decrease in natural killer cell activity: a study in normal blood donors and cancer patients. AU - R L Marquet AU - M A Hoynck van Papendrecht AU - O R Busch AU - J Jeekel PY - 1993 DO - 10.1046/j.1537-2995.1993.33593255594.x UR - https://pubmed.ncbi.nlm.nih.gov/8488538/ ID - 8488538 ER -