RT Book, Section A1 Gomella, Leonard G. A1 Haist, Steven A. SR Print(0) ID 2700790 T1 Chapter 7. Clinical Microbiology T2 Clinician's Pocket Reference: The Scut Monkey, 11e YR 2007 FD 2007 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-145428-5 LK accessmedicine.mhmedical.com/content.aspx?aid=2700790 RD 2024/04/19 AB Some of the most common tests performed on patients are the procurement of tissue or body fluids for direct detection of pathogenic organisms to prove or disprove the presence of infection. The results of these tests are critical in guiding the selection of antibiotics for targeted therapy. The following clinical microbiology principles must be considered.