RT Journal Article SR Electronic T1 The Aging Process: Therapeutic Implications ed. by Robert N. Butler and Alexander G. Bearn JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 443 OP 444 VO 52 IS 3 A1 Peter H. Slugg YR 1985 UL http://www.ccjm.org/content/52/3/443.4.abstract AB