O'Connell, Theodore X., 
USMLE step 2 secrets /   USMLE step two secrets  United States Medical Licensing Examination step 2 secrets  Theodore X. O'Connell, MD, Program Director, Family Medicine Residency Program, Kaiser Permanente Napa-Solano, California, Assistant Clinical Professor, Department of Community and Family Medicine, University of California, San Francisco School of Medicine, San Francisco, California.   - Fifth edition.   - Philadelphia, PA :  Elsevier,  [2018]   - vii, 331 pages :  illustrations (some color) ;  22 cm.   - Secrets series .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .  - Secrets series. .