The Library subscribes to many journals relevant to the field of Occupational and Public Health. You can search by title, or browse by subject.
Your instructor has identified several specific journals that are good sources to be aware of in your field - please note this is not an exhaustive list. Some titles are open access, and available freely on the web for anyone to view; others are paid subscriptions that require you to login with your torontomu account.
Journal of Occupational Health (open access)
Annals of Work Exposure and Health
Scandinavian Journal of Public Health