Using Hepac Lock Flush for reducing Port-related bloodstream infection Shu-Jiuan Tsai 1,2 , Chen-Chi Tsai 1,3 , Chorng-Jang Lay 1,3 , Hui-Ying Chuang 1,2 , Ya-Lan Chen 1,2 , Lin-Jia Lin 1,2 , Hsiu-Lun Su 2 .