Omics International is an Open Access Publishing house that allows people access to many peer-reviewed articles in a variety of fields. PeerJ is a source for scientific journal articles that are peer-reviewed.
Omics International features peer-reviewed articles in expert fields, such as agriculture, engineering, mathematics, health care and veterinary sciences. Clinical and medical articles in a variety of topics, such as radiology, alternative medicine, dermatology and toxicology are also available.
The articles available through PeerJ focus mainly on biology and medicine. Categories within the subject of biology include animal behavior, ecology and genetics. Fields of medicine include cardiology, dentistry and neurology.