RT Book, Section A1 Leslie, Victor A1 Bellil, Lisa A2 Freeman, Brian S. A2 Berger, Jeffrey S. SR Print(0) ID 1102567305 T1 ASA Preoperative Testing Guidelines T2 Anesthesiology Core Review: Part One Basic Exam YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 9780071821377 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1102567305 RD 2024/04/19 AB Practice advisories are not concrete guidelines, but rather a source to assist in clinical decision making. Although supported by scientific evidence, the same rigor is not applied to these advisories as would be to standards or guidelines due to insufficient number of adequately controlled studies.