RID21507 trunk of branch of upper deep buccal branch of facial nerve
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RID21511 trunk of branch of upper deep buccal branch of facial nerve to levator labii superioris
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RID21512 trunk of branch of upper deep buccal branch of right facial nerve to right levator labii superioris
RID21513 trunk of branch of upper deep buccal branch of left facial nerve to left levator labii superioris