id	keyword
ct-12690	sperm
ct-12690	dha
ct-12690	vitamin
ct-12690	membrane
ct-12690	doi
ct-12690	catalase
ct-12690	semen
ct-12690	plasma
ct-12690	group
ct-12690	effect
ct-12690	stress
ct-12690	figure
ct-12690	vitamin e
ct-12690	control
ct-12690	lipid
ct-12690	extender
ct-12690	acid