id	keyword
dpc-1651	oral
dpc-1651	doi
dpc-1651	pmid
dpc-1651	recurrent
dpc-1651	stomatitis
dpc-1651	disease
dpc-1651	dermatol
dpc-1651	treatment
dpc-1651	syndrome
dpc-1651	ras
dpc-1651	therapy
dpc-1651	review
dpc-1651	ulcers