title: Coded keypads control access, egress to hospital's maternity unit.
mesh_terms: D003696:Delivery Rooms; D004581:Electronics; D005260:Female; D006757:Hospital Units / Q000458:organization & administration*; D006801:Humans; D009725:Nurseries, Hospital; D009775:Obstetrics and Gynecology Department, Hospital / Q000458:organization & administration*; D009820:Ohio; D011247:Pregnancy; D012637:Security Measures / Q000458:organization & administration*