|Health Services are the services provided by various licensed professionals to the common people regarding their health related issues and problems. These professionals include doctors, chemists, pharmacists, nurse, etc. They give educational lectures and classes to the human individual in order to improve the lifestyle of people and their families. Various open access articles can be found on the web inferring the services given by these individuals.
Review articles are the summary of current state of understanding on a particular research topic. They analyze or discuss research previously published by scientist and academicians rather than reporting novel research results.
Review article comes in the form of systematic reviews and literature reviews and are a form of secondary literature. Systematic reviews determine an objective list of criteria, and find all previously published original research papers that meet the criteria. They then compare the results presented in these papers. Literature reviews, by contrast, provide a summary of what the authors believe are the best and most relevant prior publications.