Summary: Summary of the May 7, 2013 issue, including articles on ambrisentan treatment for idiopathic pulmonary fibrosis, a new lung transplant allocation score, HIV and hepatitis C virus-associated liver disease, smoking cessation in patients with suspected tuberculosis, and management strategies for asymptomatic carotid stenosis, as well as an Update in General Internal Medicine, the USPSTF recommendation statement on vitamin D and calcium supplementation to prevent fractures in adults, and a commentary on gun violence from the public health perspective.
