title: The use of ultraviolet irradiation in the estimation of retinol (vitamin A alcohol) and its derivatives: with special reference to the unusual stability of retinoic acid.
mesh_terms: D000438:Alcohols; D003510:Cyclohexanes; D004355:Drug Stability; D004987:Ethers; D006801:Humans; D008722:Methods; D013053:Spectrophotometry; D013997:Time Factors; D014466:Ultraviolet Rays; D014801:Vitamin A / Q000032:analysis*
chemical_list: D000438:Alcohols; D003510:Cyclohexanes; D004987:Ethers; D014801:Vitamin A