RT Journal Article SR Electronic T1 How physicians can help create useful clinical practice guidelines JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 601 OP 605 VO 66 IS 10 A2 Achkar and Colleagues A1 Achkar, Edgar A1 Block, Vicki J. A1 Ott, Penelope A. YR 1999 UL http://www.ccjm.org/content/66/10/601.abstract AB