PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Vitamin A and its derivatives, such as retinol, retinal, retinoic acid, retinyl acetate, retinyl palmitate, retinyl ascorbate, isotretinoin, tazarotene, adapalene, 13-cis-retinoic acid, acitretin all-trans beta carotene, alpha carotene, lycopene, 9-cis-beta-carotene, lutein and zeaxanthin are another class of keratolytic agents, which alter the structure of the skin and promote peeling.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com