Oncology-NEW YORK《肿瘤学》（月刊）. This journal works to accelerate the translation of experimental results into the clinic, and back again into the laboratory for further investigation. The fundamental purpose of this effort is to advance clinically-relevant knowledge of cancer, and improve the outcome of prevention, diagnosis and treatment of malignant disease. The journal publishes significant clinical studies from cancer programs around the world, along with important translational laboratory findings, mini-reviews (invited and submitted) and in-depth discussions of evolving and controversial topics in the oncology arena.

Oncology Research and Treatment《肿瘤学研究与治疗》（月刊）. Oncology Research and Treatment offers an interdisciplinary forum for cancer research and treatment. Peer-reviewed original and review articles cover a wide range of aspects in medical hematology and oncology, surgical, gynecological, pediatric, and urological oncology, dermatological oncology, diagnostics, radiation oncology, psychological care, pathology, clinical-translational oncology, and oncological rehabilitation. Oncology Research and Treatment is addressed to clinicians and practitioners working and researching in the field of hematology and oncology. The focus of Oncology Research and Treatment is to report clinical and translational research. Basic research is not in the scope of the journal.

OMICS-A Journal of Integrative Biology《组学：综合生物学杂志》（月刊）. OMICS: A Journal of Integrative Biology is the only peer-reviewed journal covering all trans-disciplinary OMICs-related areas, including data standards and sharing; applications for personalized medicine and public health practice; and social, legal, and ethics analysis. The Journal integrates global high-throughput and systems approaches to 21st century science from “cell to society” – seen from a post-genomics perspective.

Oil Shale《油页岩》（季刊）. The Oil Shale is an international scientific-technical open access journal of the Estonian Academy of Sciences published in collaboration with Tallinn University of Technology and the Estonian University of Life Sciences.

Oikos《生态学杂志》（月刊）. Oikos is a journal issued by the Nordic Ecological Society and is one of the leading peer-reviewed journals in ecology. Oikos publishes original research and perspectives that have the potential to change or substantially improve our understanding of ecological mechanisms, processes, or patterns in nature.

Ofioliti《蛇绿岩》（半年刊）. Since 1976, Ofioliti provides an international forum for original contributions and reviews in the field of the geodynamics, petrology, geochemistry, biostratigraphy, stratigraphy, tectonics and paleogeography applied to ophiolitic terrains and modern oceanic lithosphere, including their sedimentary cover. Studies of topics such as geodynamics of the mantle, the evolution of orogens including ophiolites and paleoceanography are also welcome.

OENO One《葡萄酒杂志》（季刊）. OENO One is a peer-reviewed journal that publishes original research, reviews, mini-reviews, short communications, perspectives and spotlights in the areas of viticulture, grapevine physiology, genomics and genetics, oenology, winemaking technology and processes, wine chemistry and quality, analytical chemistry, microbiology, sensory and consumer sciences, safety and health. OENO One belongs to the International Viticulture and Enology Society - IVES, an academic association dedicated to viticulture and enology.

Oecologia《生态学》（月刊）. Oecologia publishes innovative ecological research of general interest to a broad international audience. We publish several types of manuscripts in many areas of ecology.

Odonatologica《蜻蜓学》（季刊）. Journal published for the International Odonatological Foundation, Societas Internationalis Odonatologica (S.I.O.). Odonatologica publishes original papers in all fields of odonatology. It is a semi-annual journal, published on 1st June and 1st December. It is general policy that submitted papers will be refereed. Publication language is English.

Ocular Immunology and Inflammation《眼部免疫与炎症》（一年8期）. Ocular Immunology & Inflammation ranks 18 out of 59 in the Ophthalmology Category.Ocular Immunology and Inflammation is a peer-reviewed, scientific publication that welcomes the submission of original, previously unpublished manuscripts directed to ophthalmologists and vision scientists. Published bimonthly, the journal provides an international medium for basic and clinical research reports on the ocular inflammatory response and its control by the immune system. The journal publishes original research papers, case reports, reviews, letters to the editor, meeting abstracts, and invited editorials.