id	keyword
hls-11968	papaya
hls-11968	extract
hls-11968	pineapple
hls-11968	dysmenorrhea
hls-11968	pain
hls-11968	combination
hls-11968	analgesic
hls-11968	test
hls-11968	mice
hls-11968	acid
hls-11968	fruit
hls-11968	leaf
hls-11968	leaves
hls-11968	writhing
hls-11968	papaya leaf
hls-11968	data