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 ......

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 Neurology
Editorial  | 
Biofluid Biomarkers of Mild Traumatic Brain Injury Whither Plasma Tau
Elaine R. Peskind, MD; Brian Kraemer, PhD; Jing Zhang, MD, PhD
JAMA Neurology
Original Investigation  | 
Peripheral Total Tau in Military Personnel Who Sustain Traumatic Brain Injuries During Deployment
Anlys Olivera, PhD; Natasha Lejbman, BS; Andreas Jeromin, PhD; et al.
JAMA Pediatrics
Original Investigation  | 
Lung Ultrasonography Score to Evaluate Oxygenation and Surfactant Need in Neonates Treated With Continuous Positive Airway Pressure
Roselyne Brat, MD; Nadya Yousef, MD; Roman Klifa, MD; et al.
JAMA Pediatrics
Original Investigation  | 
Effects of a Birth Hospital’s Neonatal Intensive Care Unit Level and Annual Volume of Very Low-Birth-Weight Infant Deliveries on Morbidity and Mortality
Erik A. Jensen, MD; Scott A. Lorch, MD, MSCE