#1	MeSH descriptor Lidocaine explode all trees
#2	lignocaine or lidocain*
#3	MeSH descriptor Injections, Intra‐Articular explode all trees
#4	analg* or sedat*
#5	MeSH descriptor Analgesia explode all trees
#6	MeSH descriptor Conscious Sedation explode all trees
#7	(#1 OR #2 OR #3 OR #4 OR #5 OR #6)
#8	MeSH descriptor Shoulder Joint explode all trees
#9	shoulder* near trauma*
#10	shoulder* and dislocat*
#11	shoulder near dislocat*
#12	MeSH descriptor Shoulder Dislocation explode all trees
#13	glenohumeral near dislocat*
#14	shoulder* or gleno?humeral*
#15	(#8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14)
#16	(#7 AND #15)