id	keyword
hls-13279	red
hls-13279	betel
hls-13279	wound
hls-13279	extract
hls-13279	perineal
hls-13279	healing
hls-13279	group
hls-13279	leaf
hls-13279	women
hls-13279	study
hls-13279	intervention
hls-13279	control
hls-13279	postpartum
hls-13279	betel leaf