id	keyword
brj-23360	et al
brj-23360	elements
brj-23360	metals
brj-23360	pollution
brj-23360	concentrations
brj-23360	sevik
brj-23360	article
brj-23360	air
brj-23360	plants
brj-23360	study
brj-23360	doi
brj-23360	pine
brj-23360	cetin