| http://www.w3.org/ns/prov#value | - The disk-shaped cover is manufactured from latex or other material that is sufficiently elastomeric to allow the cover to be stretched over the stethoscope head during installation, and yet snap back to remain taut after installation and during...http://www.google.com/patents/US5365023?utm_source=gb-gplus-sharePatent US5365023 - Elastomeric stethoscope coverAdvanced Patent SearchPublication number
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