Web-based technologies for health sciences reference and instruction.

New web-based instructional technologies provide health sciences librarians with tools to enhance delivery of reference services, reinforce library instruction, and facilitate outreach activities. Of the many emerging, new web technologies recently available to health information professionals, 12 resources are presented in this article to explain the value these tools bring to informational and instructional settings to enhance demonstration, facilitate collaborative activities, encourage communication, and evaluate learning/understanding.