Department of Health The ''author constructed datasets used for the Analysis of High-Tech Drug Activity and Expenditure by DPER as detailed in the Spending Review 2021 Paper by the IGESS 'Review of High-Tech Drug Expenditure'" The ''author constructed datasets used for the Analysis of High-Tech Drug Activity and Expenditure by DPER as detailed in the Spending Review 2021 Paper by the IGESS 'Review of High-Tech Drug Expenditure'"