title: A Canadian emergency medical helipad service.
authors: British Columbia Children's Hospital, Vancouver.
authors: A J
authors: AJ
authors: Macnab
authors: M L
authors: ML
authors: Fryer
mesh_terms: D000401:Aircraft; D000552:Ambulances; D001955:British Columbia; D004636:Emergency Service, Hospital / Q000458:organization & administration*; D006749:Hospital Design and Construction / Q000592:standards*; D009624:Noise, Transportation; D013223:Statistics as Topic