Liu, Leroy F.

• Vol 20 (1990): DNA Topology and Its Biological Effects - Articles
  11 DNA Replication: Topological Aspects and the Roles of DNA Topoisomerases
  Abstract
• Vol 20 (1990): DNA Topology and Its Biological Effects - Articles
  14 Anticancer Drugs That Convert DNA Topoisomerases into DNA Damaging Agents
  Abstract