منابع مشابه
predatory open access journals
سخن سردبیر editorial مجله دانشگاه علوم پزشکی رفسنجان دوره پانزدهم، آبان 1395، 808-807 مجلات یغماگر با دسترسی آزاد predatory open access journals محسن رضائیان[1]،[2] m. rezaeian پیدایش و رشد «مجلات با دسترسی آزاد» (open access journals) در سالیان اخیر، نویدبخش دوره جدیدی از چاپ و انتشار یافته های نوین علمی بود. قرار بود که در این دوره جدید، نویسندگان یک مقاله علمی با پرداخت هزینه های چاپ، نتیجه ...
متن کاملWhen Is Open Access Not Open Access?
S ince 2003, when PLoS Biology was launched, there has been a spectacular growth in " open-access " journals. The Directory of Open Access Journals (http:⁄⁄www. doaj.org/), hosted by Lund University Libraries, lists 2,816 open-access journals as this article goes to press (and probably more by the time you read this). Authors also have various " open-access " options within existing subscriptio...
متن کاملModern mammography screening and breast cancer mortality: population study OPEN ACCESS
Objective To evaluate the effectiveness of contemporary mammography screening using individual information about screening history and breast cancer mortality from public screening programmes. DesignProspective cohort study of Norwegian womenwhowere followed between 1986 and 2009. Within that period (1995-2005), a national mammography screening programme was gradually implemented, with biennial...
متن کاملOpen Access, Open Science, Open Society
Open Access’ main goal is not the subversion of publishers’ role as driving actors in an oligopolistic market characterized by reduced competition and higher prices. OA’s main function is to be found somewhere else, namely in the ability to subvert the power to control science’s governance and its future directions (Open Science), a power that is more often found within the academic institution...
متن کاملOpen-access mega-journals
Purpose – Open-access mega-journals (OAMJs) represent an increasingly important part of the scholarly communication landscape. OAMJs, such as PLOS ONE, are large scale, broad scope journals that operate an open access business model (normally based on article-processing charges), and which employ a novel form of peer review, focussing on scientific “soundness” and eschewing judgement of novelty...
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ژورنال
عنوان ژورنال: BMJ
سال: 1992
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.304.6830.843