id	keyword
american_scientific_journal-12162	subtilis
american_scientific_journal-12162	soil
american_scientific_journal-12162	petroleum
american_scientific_journal-12162	bacillus
american_scientific_journal-12162	isolate
american_scientific_journal-12162	journal
american_scientific_journal-12162	research
american_scientific_journal-12162	gram
american_scientific_journal-12162	identification