UHDRS 1999 Version - UDHR1-Confusion Altered Performance

**Semantic type:** Intellectual Product

**Definition:** Unified Huntington's Disease Rating Scale 1999 Version (UHDRS 1999 Version) If yes: Does the examiner believe that this has altered the performance on the UHDRS?

**Synonyms:** - UDHR1-Confusion Altered Performance - UDHR1-Confusion Altered Performance - UHDR136A