( ( ( ( polymerase ( chain reaction ) ) ( -LRB- ( PCR -RRB- ) ) ) ( for ( ( ( TCR ( gamma ( chain gene ) ) ) and ) ( immunoglobulin ( JH ( chain ( gene ( rearrangement analysis ) ) ) ) ) ) ) ) ; )
(ROOT (NP (NP (NN polymerase) (NN chain) (NN reaction)) (PRN (-LRB- -LRB-) (NP (NNP PCR)) (-RRB- -RRB-)) (PP (IN for) (NP (NP (NNP TCR) (NN gamma) (NN chain) (NN gene)) (CC and) (NP (NN immunoglobulin) (NN JH) (NN chain) (NN gene) (NN rearrangement) (NN analysis)))) (: ;)))
polymerase chain reaction (PCR) for TCR gamma chain gene and immunoglobulin JH chain gene rearrangement analysis;
(ROOT (S (NP (DT The) (NN polymerase) (NN chain) (NN reaction)) (VP (VBZ is) (NP (NP (DT a) (NN way)) (PP (IN of) (S (VP (VBG making) (NP (NP (NNS copies)) (PP (IN of) (NP (DT a) (NN gene))))))))) (. .)))