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

What is Scientific Research and How Can it be Done? | LitMetric

What is Scientific Research and How Can it be Done?

Turk J Anaesthesiol Reanim

Clinic of Anaesthesiology and Reanimation, Dışkapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey.

Published: August 2016

Scientific researches are studies that should be systematically planned before performing them. In this review, classification and description of scientific studies, planning stage randomisation and bias are explained.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5019873PMC
http://dx.doi.org/10.5152/TJAR.2016.34711DOI Listing

Publication Analysis

Top Keywords

scientific done?
4
done? scientific
4
scientific researches
4
researches studies
4
studies systematically
4
systematically planned
4
planned performing
4
performing review
4
review classification
4
classification description
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!