These resources are good for those who are non-anaesthetists or are just starting out in Anaesthetics.
The BJA has a vast selection of articles which are clear and concise. Good for both basic science and clinical topics. Easiest thing is to google BJA +whatever you are interesting in and something should pop up. All free to access.
World federation of societies of Anaesthestist
Produces free to access weekly summaries of a wide variety of topics, generally a bit less dense than the BJA for those of us that are a bit denser.