Reference prices constitute a main determinant of patient health care reimbursement in many countries. We study the effects of a change from an "external" (based on a basket of prices in other countries) to an "internal" (based on comparable domestic products) reference price system. We find...

Biodiversity -- Contents -- 1 Natural Products - History, Diversity and Discovery -- Microbial Natural Products: A Past with a Future -- New Concepts and Approaches to Biodiversity -- Natural Products Drug Discovery at the National Cancer Institute. Past Achievements and New Directions for the...