C-SSRS Already Enrolled Subjects - Duration of Most Severe Ideation (Prior to Study Entry)

**Semantic type:** Intellectual Product

**Definition:** Columbia-Suicidality Severity Rating Scale Already Enrolled Subjects (C-SSRS Already Enrolled Subjects ) When you have the thoughts, how long do they last? (Prior to Study Entry).

**Synonyms:** - CSS05-Most Severe Idea, Duration-Prior - CSS05-Most Severe Idea, Duration-Prior - CSS0508A