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

Community-Supported Agriculture: Systems Thinking in Action. | LitMetric

Community-Supported Agriculture: Systems Thinking in Action.

Am J Public Health

Ozgur M. Araz is with the Supply Chain Management and Analytics Department, College of Business and the Robert Daugherty Water for Food Institute, University of Nebraska, Lincoln and the College of Public Health, University of Nebraska Medical Center, Lincoln.

Published: January 2020

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6893326PMC
http://dx.doi.org/10.2105/AJPH.2019.305463DOI Listing

Publication Analysis

Top Keywords

community-supported agriculture
4
agriculture systems
4
systems thinking
4
thinking action
4
community-supported
1
systems
1
thinking
1
action
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!