@article{ref1,
title="Understanding research study designs",
journal="Indian journal of critical care medicine",
year="2019",
author="Ranganathan, Priya",
volume="23",
number="Suppl 4",
pages="S305-S307",
abstract="In this article, we will look at the important features of various types of research study designs used commonly in biomedical research.<p /> <p>Language: en</p>",
language="en",
issn="0972-5229",
doi="10.5005/jp-journals-10071-23314",
url="http://dx.doi.org/10.5005/jp-journals-10071-23314"
}