TY - JOUR T1 - A comparison of the costs and performance of an emergency helicopter and land ambulances in a rural area. JO - Injury PY - 1994/04/01 AU - Nicholl JP AU - Beeby NR AU - Brazier JE ED - DO - DOI: 10.1016/0020-1383(94)90151-1 VL - 25 IS - 3 SP - 145 EP - 153 Y2 - 2025/08/14 ER -