TY - BOOK ID - 146254464 TI - Emergency medical services/helicopter (EMS/H) PY - 1991 PB - [Washington, D.C.] : U.S. Dept. of Transportation, Federal Aviation Administration, DB - UniCat KW - Helicopter ambulances KW - Emergency medical services KW - Certification UR - https://www.unicat.be/uniCat?func=search&query=sysid:146254464 AB - ER -