id	keyword
american_scientific_journal-3852	protein
american_scientific_journal-3852	pfrc
american_scientific_journal-3852	brucei
american_scientific_journal-3852	antibodies
american_scientific_journal-3852	parasites
american_scientific_journal-3852	growth
american_scientific_journal-3852	research
american_scientific_journal-3852	expression
american_scientific_journal-3852	lane
american_scientific_journal-3852	antibody
american_scientific_journal-3852	trypanosomiasis
american_scientific_journal-3852	volume
american_scientific_journal-3852	journal
american_scientific_journal-3852	dna