PASI Fredriksson Version - Head: Erythema/Redness

**Semantic type:** Intellectual Product

**Definition:** Psoriasis Area and Severity Index Fredriksson Version (PASI Fredriksson Version) Head: Erythema/Redness score.

**Synonyms:** - Head/Neck Erythema - PASI03-Head: Erythema/Redness - PASI03-Head: Erythema/Redness - PASI0301