New HPLC method for the simultaneous determination of 13-cis and all-trans retinoic acid, retinol, alpha- and gamma-tocopherol in human serum in monitoring of anticancer therapy using a monolithic technology

Abstract

New HPLC method for the simultaneous determination of 13-cis and all-trans retinoic acid, retinol, alpha- and gamma-tocopherol in human serum in monitoring of anticancer therapy using a monolithic technology