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For Immediate Release

New Impact Factors Confirm Influence of Mary Ann Liebert, Inc. Journals in Science, Technology, and Medicine

Contact: Cathia Falvey, 914-740-,

New Rochelle, NY, June 25, 2013Mary Ann Liebert, Inc., publishers announces significant growth in the impact factors of its peer-reviewed journals, as reported in the 2012 Journal Citation Reports® (JCR) (Thomson Reuters 2013). 60% of the Publisher’s portfolio of indexed journals received increased impact factors, with 20 titles seeing double-digit percentage increases. Of particular significance is the increase, and continued impact to the field, of Journal of Interferon & Cytokine Research, the first journal published by Mary Ann Liebert, Inc., now in its 33rd volume. Other notable results include Journal of Neurotrauma with an 18% increase, AIDS Research and Human Retroviruses with a 20% increase, AIDS Patient Care and STDs with a 28% increase, and Photomedicine and Laser Surgery with a 30% increase.

Flagship publications Human Gene Therapy, Tissue Engineering, and Stem Cells and Development maintained strong impact factors and reinforced their positions as leaders in their respective fields.

“We are very pleased to see such excellent progress in the impact factors of our journals this year,” said Mary Ann Liebert, President and CEO. “It is a tribute to the achievements and contributions of our editors, editorial boards, and reviewers, and an indication of our publications’ value to the scientific community.”

The company’s position as a leading STEM research publisher was further enhanced by increased impact factors for journals such as Astrobiology, and High Altitude Medicine & Biology, and an impressive first impact factor of 2.333 for Lymphatic Research and Biology.

About the Publisher
Mary Ann Liebert, Inc., publishers is a privately held, fully integrated media company universally acknowledged for publishing authoritative peer-reviewed journals in the most promising areas of biomedical research, the life sciences, medicine, surgery, and public health. Mary Ann Liebert, Inc. publications make critical contributions in advancing research and facilitating collaboration throughout the world in academia, industry, and government, and are also highly respected resources for legislators, policy makers, and educators. A complete list of the firm’s more than 75 journals, books, and newsmagazines is available on the Mary Ann Liebert, Inc., publishers website.