Treatment of depression in general practice.

of dealing with the problem of anaesthetic contamination.This venting system has been in use for over six monthes in two operating theatres.Although the whole problem of operating theatre pollution seems to merit further in- vestigation, it is clear that until such time as the agent causing the possible deleterious effect on operating theatre personnel is identified all the anaesthetic gases and vapours should be vented from the operating room.-Iam, etc.