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: 3122
Function: getPubMedXML

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

The 6 minute walking test in chronic heart failure: indications, interpretation and limitations from a review of the literature. | LitMetric

The 6 minute walking test in chronic heart failure: indications, interpretation and limitations from a review of the literature.

Eur J Heart Fail

Unità Operativa di Policardiografia, Spedali Civili, Via Trainini 14, Brescia, Italy.

Published: October 2004

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.ejheart.2003.11.024DOI Listing

Publication Analysis

Top Keywords

minute walking
4
walking test
4
test chronic
4
chronic heart
4
heart failure
4
failure indications
4
indications interpretation
4
interpretation limitations
4
limitations review
4
review literature
4

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!