RT Journal Article SR Electronic T1 Guide to Clinical Interpretation of Data by Bret Spilker, Guide to planning and managing Multiple Clinical studies by Bret Spilker JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 567 OP 568 VO 55 IS 6 A1 George W. Williams YR 1988 UL http://www.ccjm.org/content/55/6/567.2.abstract AB