C-SSRS Baseline/Screening Version Phase 1 Study - Frequency of Most Severe Ideation (Past 6 Months)

**Semantic type:** Intellectual Product

**Definition:** Columbia-Suicidality Severity Rating Scale Baseline/Screening Version Phase 1 Study 1/14/09 (C-SSRS Baseline/Screening Version Phase 1 Study 1/14/09) How many times have you had these thoughts? (Past 6 Months).

**Synonyms:** - CSS03-Most Severe Idea, Frequency-P6M - CSS03-Most Severe Idea, Frequency-P6M - CSS0307B