ST. PAUL, Minn., July 15, 2010 (GLOBE NEWSWIRE) -- MEDTOX Scientific, Inc. (Nasdaq:MTOX) today announced results for the second quarter ended June 30, 2010. MEDTOX achieved a significant increase in new clinical laboratory business for the quarter ended June 30, 2010, and laboratory drugs-of-abuse testing showed a net positive increase in revenues of 5.6% for the second quarter of 2010, compared to a decrease of 10.6% in the prior year quarter:
