A PHP Error was encountered

Severity: Warning

Message: file_get_contents(https://...@gmail.com&api_key=61f08fa0b96a73de8c900d749fcb997acc09&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests

Filename: helpers/my_audit_helper.php

Line Number: 197

Backtrace:

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 197
Function: file_get_contents

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 271
Function: simplexml_load_file_from_url

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3165
Function: getPubMedXML

File: /var/www/html/application/controllers/Detail.php
Line: 597
Function: pubMedSearch_Global

File: /var/www/html/application/controllers/Detail.php
Line: 511
Function: pubMedGetRelatedKeyword

File: /var/www/html/index.php
Line: 317
Function: require_once

Reasons for calibration standard curve slope variation in LC-MS assays and how to address it. | LitMetric

Reasons for calibration standard curve slope variation in LC-MS assays and how to address it.

Bioanalysis

Bioanalytical Sciences Department, Research & Development, Bristol-Myers Squibb Co, Route 206 & Province Line Road, Princeton, NJ 08543, USA.

Published: June 2014


Category Ranking

98%

Total Visits

921

Avg Visit Duration

2 minutes

Citations

20

Article Abstract

Download full-text PDF

Source
http://dx.doi.org/10.4155/bio.14.71DOI Listing

Publication Analysis

Top Keywords

reasons calibration
4
calibration standard
4
standard curve
4
curve slope
4
slope variation
4
variation lc-ms
4
lc-ms assays
4
assays address
4
reasons
1
standard
1

Similar Publications