id	keyword
american_scientific_journal-1238	biofilm
american_scientific_journal-1238	hospital
american_scientific_journal-1238	vol
american_scientific_journal-1238	bacteria
american_scientific_journal-1238	microbes
american_scientific_journal-1238	formation
american_scientific_journal-1238	samples
american_scientific_journal-1238	potential
american_scientific_journal-1238	fungi
american_scientific_journal-1238	research
american_scientific_journal-1238	surfaces
american_scientific_journal-1238	total