id	keyword
bjp-32070	creatinine
bjp-32070	cin
bjp-32070	contrast
bjp-32070	injection
bjp-32070	patients
bjp-32070	group
bjp-32070	nephropathy
bjp-32070	diabetes
bjp-32070	serum
bjp-32070	day
bjp-32070	alprostadil