Clinical health informatics is an emerging branch of science, which deals with applications of informatics, coupled with information technology. research in health informatics, emphasizes on developing health and using health information. It reflects the central role in information collection, Analysis and utilization. Research in clinical health informatics is more focused on medical science, public health. Research in clinical health informatics is growing rapidly and it has been recognized to enable significant improvement in the quality and efficiency of clinical research. Journal Article is sometimes called a Scientific Article, a Peer-Reviewed Article, or a Scholarly Research Article. Together, journal articles in a particular field are often referred to as The Literature. Journal articles are most often Primary Research Articles. However, they can also be Review Articles. These types of articles have different aims and requirements. Sometimes, an article describes a new tool or method. Because articles in scientific journals are specific, meticulously cited and peer-reviewed, journal databases are the best place to look for information on previous research on your species.