This infographic refers to a study released in 2013 which suggests that hospitals, government departments, associations and other organisations involved in healthcare gain a $9 return for every dollar they invest in health libraries.
Worth every cent and more: an independent assessment on the return of investment of health libraries in Australia [infographic]
Australian Library and Information Association
Canberra, ACT: Australian Library and Information Association
Health Libraries Inc; ALIA Health Libraries Australia; SGS Economics