Vitamin E: A Dark Horse at the Crossroad of Cancer Management. Eduardo Cardenas, Rita Ghosh; Biochemical Pharmacology, Available online 3 August 2013
Although the paper is focused on the cancer, makes a good review of current knowledge about vitamin E, check all its isoforms, metabolism, absorption, transporters, antioxidant potency, etc..
When evaluating the efficacy of vitamin E prophylactic or therapeutic use in previous and future studies, it is critical to consider dosage to be administered, form of vitamin E and source (such as whether from synthetic or purified from natural sources).