beta-carotene
To elucidate the possible role of carotenoids and vitamin A as risk factors for       Alzheimer's disease (AD), we compared serum levels of beta-carotene and       alpha-carotene, and vitamin A, measured by isocratic high performance liquid       chromatography, of 38 AD patients and 42 controls.
To elucidate the possible role of carotenoids and vitamin A as risk factors for       Alzheimer's disease (AD), we  @PREDICAT$  serum levels of  @SUBJECT$  and        @OBJECT$ , and vitamin A, measured by isocratic high performance liquid       chromatography, of 38 AD patients and 42 controls.