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
Spirometry has become the most widely used assessment of pulmonary function for diagnostic and prognostic purposes. This article reviews the indications for spirometry in persons who have asthma, the parameters measured, acceptable testing techniques, acceptability, quality assurance criteria, and basic interpretation of results in evaluating the person who has asthma. Understanding basic spirometry is an invaluable aid to the nurse and nurse practitioner who provide care to children and adults who have asthma.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1016/s0029-6465(03)00111-7 | DOI Listing |
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