RT Journal Article SR Electronic T1 Curtis Bellofram Pump for Long-Term use in Extracorporeal Blood Circuits JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 32 OP 37 VO 29 IS 1 A1 Seidel, Wolfgang A1 Leiptz, Nathan A1 Brown, Frederick A1 Kolff, Willem J. YR 1962 UL http://www.ccjm.org/content/29/1/32.abstract AB