Assertion: firm mattress | /r/CapableOf | assess using the hs scale
Facets:
value: from the european committee for standardization
type: OTHER
Source sentences:
text: In 2003, a randomized-controlled trial found that medium-firm mattresses assessed using the Hs scale from the European Committee for Standardization were associated with less pain; this study has been cited by clinical practice guidelines on lower back pain.