You may find the following additional materials on talking with patients about firearms useful.
The book Reducing Gun Violence in America: Informing Policy with Evidence and Analysis, edited by Daniel W. Webster and Jon S. Vernick, with a foreword by Michael R. Bloomberg, contains research summaries and policy recommendations from the world’s leading experts on gun violence. It is available here in its entirety.
For administrators, instructors, and practitioners in health care fields, the Consortium for Risk Based Firearm Policy's report, Breaking Through Barriers: The Emerging Role of Healthcare Provider Training Programs in Firearm Suicide Prevention, provides recommendations for lethal means safety counseling and how to incorporate it into healthcare education and practice.
This summary of a 2018 National Academies of Sciences, Engineering, and Medicine convening discusses the research needed and the evidence and best practices for health care provider and health system involvement in reducing firearm injuries and deaths.