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The journal also submits the full text of its articles to PubMed Central, including the case studies. The versions on PubMed Central also do not bear any indication the case reports are fictional.
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Индия запланировала купить у России пять дивизионов С-40002:00
Варвара Кошечкина (редактор отдела оперативной информации)。谷歌浏览器下载对此有专业解读
Apple's MacBook lineup aims to handle creative tasks flawlessly, offers a rich ecosystem of integration, but may struggle with gaming performance and compatibility. Lenovo ThinkPads have lots of ports, great keyboards, and are durable enough to be used in space, but require navigation through an extensive catalog to find the right model.。币安_币安注册_币安下载对此有专业解读
Those companies knew they had a captive audience, so they bought up as many journals as they could. Journal articles aren’t interchangeable commodities like corn or soybeans—if your science supplier starts gouging you, you can’t just switch to a new one. Adding to this lock-in effect, publishing in “high-impact” journals became the key to success in science, which meant if you wanted to move up, your university had to pay up. So, even as the internet made it much cheaper to produce a journal, publishers made it much more expensive to subscribe to one.