| http://www.w3.org/ns/prov#value | - According to certain embodiments, a topper member for use with a bed (e.g., a medical or hospital bed, a conventional bed, a wheelchair, a seat or other seating assembly, etc.) includes an enclosure defining at least one interior chamber and having substantially fluid impermeable upper and lower layers; wherein the upper layer include a plurality of openings through which fluid from the at least o
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