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Function: _error_handler
File: /www/wwwroot/www.explorationpub.com/application/core/MY_Controller.php
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Function: view
File: /www/wwwroot/www.explorationpub.com/application/controllers/Journals.php
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Function: journals_view
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Function: require_once
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A PHP Error was encountered
Severity: Notice
Message: Undefined index: doi
Filename: journals/CitingArticleList_view.php
Line Number: 267
Backtrace:
File: /www/wwwroot/www.explorationpub.com/application/views/journals/CitingArticleList_view.php
Line: 267
Function: _error_handler
File: /www/wwwroot/www.explorationpub.com/application/core/MY_Controller.php
Line: 182
Function: view
File: /www/wwwroot/www.explorationpub.com/application/controllers/Journals.php
Line: 1170
Function: journals_view
File: /www/wwwroot/www.explorationpub.com/index.php
Line: 644
Function: require_once