title: Unjustified restrictions on letters to the editor.
authors.forename: Douglas G
authors.initials: DG
authors.lastname: Altman
mesh_terms: D035081:Editorial Policies; D006801:Humans; D020407:Internet; D010380:Peer Review; D011786:Quality Control; D012107:Research Design / Q000592:standards; D013997:Time Factors