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

Evaluation of the association between voice formants and difficult facemask ventilation. | LitMetric

Evaluation of the association between voice formants and difficult facemask ventilation.

Eur J Anaesthesiol

From the Instituto de Medicina Integral Professor Fernando Figueira (IMIP) (CCdC), Hospital das Clínicas de Pernambuco, Recife, Pernambuco (DMdS), Instituto de Matemática e Estatística, Universidade de São Paulo, São Paulo, São Paulo (ADdCJ), Hospital Universitário Lauro Wanderley, João Pessoa, Paraíba (FJFN) and Instituto de Medicina Integral Professor Fernando Figueira (IMIP), Recife, Pernambuco, Brazil (FAdO).

Published: December 2019

Download full-text PDF

Source
http://dx.doi.org/10.1097/EJA.0000000000001108DOI Listing

Publication Analysis

Top Keywords

evaluation association
4
association voice
4
voice formants
4
formants difficult
4
difficult facemask
4
facemask ventilation
4
evaluation
1
voice
1
formants
1
difficult
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!