TY  - GEN
AU  - Waite,D E
TI  - In-flight assistance
SN  - 0140-6736
PY  - 1999///0216
KW  - Aircraft
KW  - Emergency Medical Services
KW  - economics
KW  - United States
N1  - Publication Type: Comment; Letter
UR  - https://doi.org/10.1016/S0140-6736(05)74992-8
ER  -