Construction on a new wing for The Institute of Comparative Medicine (ICM) began in 1971.

In 1889, it would become the Faculty of Comparative Medicine and Veterinary Science of McGill University and McEachran became its first dean.

Clements joined the Division of Comparative Medicine in 1988 and headed its Retrovirus Laboratory from 1992.

In 1964 he became head of the Nuffield Laboratories for Comparative Medicine, staying there until 1980.

Introduction to Veterinary and Comparative Forensic Medicine.

Animals and Disease: An Introduction to the History of Comparative Medicine.

Comparative Medicine is set up to provide professional and technical service for laboratory animal care, veterinary medical services, and animal research project support for NUS staff and students.

It maintains two research institutes, the Nuffield Institute of Comparative Medicine and the Wellcome Institute of Comparative Physiology.

In the same year, he became the head of the Division of Comparative Medicine at Johns Hopkins University.

Comparative Medicine is indexed in Index Medicus.