TY - JOUR T1 - The cost and effectiveness of the London Helicopter Emergency Medical Service. JO - J Health Serv Res Policy PY - 1996/10/01 AU - Brazier J AU - Nicholl J AU - Snooks H ED - DO - DOI: 10.1177/135581969600100409 VL - 1 IS - 4 SP - 232 EP - 237 Y2 - 2025/07/06 ER -