0
We're unable to sign you in at this time. Please try again in a few minutes.
Retry
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
Retry
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
RSS Email Alerts
Please Wait... Processing your request... Please Wait.

Original Investigation | 
Jason Phua, FRCP; Gavin M. Joynt, FRCP; Masaji Nishimura, MD; et al.
JAMA Intern Med. 2015;175(3):363-371. doi:10.1001/jamainternmed.2014.7386.
Includes: Supplemental Content

Invited Commentary | 
Trevor Mundel, MD, PhD
JAMA Intern Med. 2014;174(6):888-889. doi:10.1001/jamainternmed.2014.77.

Original Investigation |  FREE
Marleen E. Hendriks, MD; Ferdinand W. N. M. Wit, MD, PhD; Tanimola M. Akande, MD; et al.
JAMA Intern Med. 2014;174(4):555-563. doi:10.1001/jamainternmed.2013.14458.
Includes: Supplemental Content

Sign in

Purchase Options

• Subscribe to the journal
• Rent this article ?

A free personal account provides

• Free current issues on The JAMA Network Reader
• Free quizzes on The JAMA Network Challenge
• Commenting and personalized alerts
From The JAMA Network
JAMA Surgery
Viewpoint  | 
The Emergence and Future of Global Surgery in the United States
Haile T. Debas, MD
JAMA Surgery
Viewpoint  | 
Academic Global Surgery: A Moral Imperative
William P. Schecter, MD
JAMA Oncology
Editorial  | 
Novel Methods for Measuring Global Cancer Burden: Implications for Global Cancer Control
Benjamin O. Anderson, MD; John Flanigan, MD
JAMA Ophthalmology
Original Investigation  | 
Development and Validation of a Smartphone-Based Visual Acuity Test (Peek Acuity) for Clinical Practice and Community-Based Fieldwork
Andrew Bastawrous, MRCOphth; Hillary K. Rono, MBBS; Iain A. T. Livingstone, FRCOphth; et al.