TY - CHAP M1 - Book, Section TI - Review of Systems A1 - Kaufman, Tina M. A1 - Alegre, Ticiano PY - 2010 T2 - Yes/No Medical Spanish: Comprehensive Handbook of Clinical Spanish AB - The review of systems (ROS) is considered the secondary history and involves asking specific questions targeted to augment the primary history (HPI). These questions are designed to assist you in formulating a differential diagnosis or judging the severity of an illness or disorder. SN - PB - F.A. Davis Company CY - New York, NY Y2 - 2024/04/17 UR - fadavispt.mhmedical.com/content.aspx?aid=1186315186 ER -