title: Half of 2011 papers now free to read.
authors: Richard
authors: R
authors: Van Noorden
mesh_terms: D022126:Access to Information; D020407:Internet; D017150:Public Sector / Q000191:economics; D012106:Research / Q000191:economics / Q000706:statistics & numerical data
references: BMC Med. 2012 Oct 22;10:124
references: 23088823