title: Effects of a weapon screening procedure in a psychiatric emergency room.
mesh_terms: D000328:Adult; D001290:Attitude; D001291:Attitude of Health Personnel; D004637:Emergency Services, Psychiatric; D005260:Female; D006801:Humans; D008297:Male; D008605:Mental Health Services; D008875:Middle Aged; D012637:Security Measures; D014754:Violence