brand active ingredient therapeutic area pathology
brand
active ingredient
therapeutic area
pathology
number
list length
number text <p,text> text text
1 ebastel and others ebastine respiratory allergy
how many brands treat the central nervous system ?
WRB JJ NNS VBP DT JJ JJ NN .
3
select count ( c2 ) from w where c4 = 'central nervous system'