TY - RPRT TI - A decrease in Leu-11a negative lymphocytes in relation to natural killer cell activity in chromate workers. AU - T Tanigawa AU - S Araki AU - T Araki AU - N Minato PY - 1991 DO - 10.1136/oem.48.3.211 UR - https://pubmed.ncbi.nlm.nih.gov/1826608/ ID - 1826608 ER -