( ( ( Human ( intestinal microflora ) ) ( S156 6.2 ) ) . )
(ROOT (NP (NP (JJ Human) (JJ intestinal) (NN microflora)) (QP (CD S156) (CD 6.2)) (. .)))
Human intestinal microflora S156 6.2.
(ROOT (S (NP (PRP We)) (VP (VBP call) (NP (DT the) (NN microflora)) (SBAR (IN that) (S (NP (NP (NN aid)) (PP (IN in) (NP (DT the) (NN digestion)))) (VP (VBP process) (NP (JJ intestinal) (NNS flora)))))) (. .)))
We call the microflora that aid in the digestion process intestinal flora.