id	keyword
dti-1301	et al
dti-1301	drug
dti-1301	delivery
dti-1301	absorption
dti-1301	receptor
dti-1301	transporters
dti-1301	cell
dti-1301	systems
dti-1301	drug delivery
dti-1301	acid
dti-1301	transferrin
dti-1301	membrane
dti-1301	target
dti-1301	endocytosis
dti-1301	vitamin
dti-1301	intestine
dti-1301	tract
dti-1301	peptide