Health commercial enterprise (also referred to as  Medical tourism) refers to the act of traveling to a distant country so as to receive medical aid. Health commercial enterprise plays a serious role once bound medical services don't seem to be accessible in their country of residence, their insurance doesn't cowl the total value of a procedure, Wait lines area unit too long, Quality of care is healthier during a totally different country, and prices area unit lower during a totally different country. Review articles area unit the outline of current state of understanding on a selected analysis topic. They analyze or discuss analysis antecedently printed by soul and academicians instead of coverage novel analysis results. review comes within the type of systematic reviews and literature reviews and area unit a type of secondary literature. Systematic reviews verify AN objective list of criteria, and realize all antecedently printed original analysis papers that meet the factors. They then compare the results conferred in these papers. Literature reviews, in contrast, offer a outline of what the authors believe area unit the simplest and most relevant previous publications. The idea of "review article" is become independent from the idea of peer-reviewed literature. it's doable for a review to be peer-reviewed, and it's doable for a review to be non-peer-reviewed.