( ( ( Leukocytes -LRB- ) ( ( white blood ) cells ) ) ; )
(ROOT (NP (NP (NP (NNS Leukocytes)) (-LRB- -LRB-) (NP (NP (JJ white) (NN blood)) (NP (NNS cells)))) (: ;)))
Leukocytes (white blood cells;
(ROOT (S (NP (JJ Leukocytes) (NN blood) (NNS cells)) (VP (VBP are) (ADJP (JJ white))) (. .)))