MLO-Medical Laboratory Observer has been connecting clinical Lab Directors and Managers with the latest product and service trends for more than 50 years. As the premier laboratory journal, content includes peer-reviewed articles, CE courses with accredited CEUs, lab management tips, regulatory updates, industry trends, and new product reviews through its monthly magazine and digital edition, daily eNewsletter (LABline) and monthly eProduct Insider. The annual reference and buyers guide, CLR-Clinical Laboratory Observer, is published each August in print and online, listing more than 4,900 tests, equipment, products and services available for the lab. Advertisers are encouraged to view the current editorial calendar, monthly editorial preview, terms, and contacts listed below.