====== Scientific literature ====== The volume of scientific literature doubles approximately every 7 years. The coverage of this literature provided by online compendia is variable and incomplete. It would hence be useful to identify "core" journals in any field and validate whether the [[h index]] and impact factor truly identify the [[core journals]] in every subject. [[Neurosurgeon]]s are inundated with vast amounts of new [[clinical research]] on a daily basis, making it difficult and time-consuming to keep up with the latest literature. see: [[Bibliography]] [[Books]] [[Journal]] [[Book]]s.