Following this puts new work involving it at the top of your briefing, with a note saying why it is there. Links are taken from the source record, never inferred.
This is a completed observational registry record with no results posted; it describes a planned comparison of two regional anesthesia techniques for breast surgery pain but contains no outcome data.
This is a registered but not-yet-recruiting interventional trial with no results posted; it describes a planned comparison of regional anesthesia techniques in breast surgery with surrogate pain and recovery endpoints.