|A health system, also occasionally denoted to as health care system or healthcare system is the association of people, institutions, and incomes that carry health care services to encounter the health needs of target populations. There is an extensive diversity of health systems about the world, with as many histories and organizational structures as there are nations.
A journal is a periodical publication intended to further progress of science, usually by reporting new research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity. Each such journal article becomes part of the permanent scientific record.