Trade journal
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A trade journal is a periodical, magazine or publication printed with the intention of target marketing to a specific industry or type of trade/business. Trade journals typically contain heavy advertising content focused on the industry in question with little if any "general audience" advertising. They also generally contain industry-specific job notices. Many trade publications can also be considered newsmagazines with a very specific topical focus.
In the biological sciences, the boundary between the trade publication and peer reviewed journal has blurred in certain instances, particularly in the biotechnology industry. One example of such a publication is BioTechniques which contains peer reviewed technical reports and technology reviews while containing heavy advertising content, a significant proportion of the articles being authored by or in collaboration with vendors who advertise in the same issue.