A PHP Error was encountered

Severity: Warning

Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests

Filename: helpers/my_audit_helper.php

Line Number: 176

Backtrace:

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 1034
Function: getPubMedXML

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3152
Function: GetPubMedArticleOutput_2016

File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global

File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword

File: /var/www/html/index.php
Line: 316
Function: require_once

Addressing pitfalls in the study of discrepant umbilical artery Dopplers. | LitMetric

Addressing pitfalls in the study of discrepant umbilical artery Dopplers.

Am J Obstet Gynecol

Department of Obstetrics and Gynecology, University of California, Irvine School of Medicine, 3800 West Chapman Ave, Chapman Pavilion, Suite 3400, Orange, CA 92868; Division of Maternal Fetal, Medicine, Department of Obstetrics and Gynecology, University of Colorado, Anschutz Medical Campus, Aurora, CO; Colorado Fetal Care Center, Children's Hospital of Colorado, Aurora, CO.

Published: August 2023

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.ajog.2023.03.044DOI Listing

Publication Analysis

Top Keywords

addressing pitfalls
4
pitfalls study
4
study discrepant
4
discrepant umbilical
4
umbilical artery
4
artery dopplers
4
addressing
1
study
1
discrepant
1
umbilical
1

Similar Publications

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!