Boston hospital ups security after abortion protests and violence.
D000029:Abortion, Legal; D001900:Boston; D005260:Female; D006786:Hospitals, Urban / Q000458:organization & administration* / Q000592:standards; D006801:Humans; D011247:Pregnancy; D012308:Risk Management; D017751:Safety Management; D012637:Security Measures / Q000592:standards*; D014754:Violence / Q000517:prevention & control*