[WHAT IS THE PORT AND AIRPORT MEDICAL SERVICE AND HOW DOES IT WORK?].
D000401:Aircraft; D059028:Airports; D002353:Carrier State; D003140:Communicable Disease Control; D005858:Germany; D005860:Germany, West; D006664:History; D006801:Humans; D011634:Public Health; D011790:Quarantine; D012767:Ships
AIRCRAFT; CARRIER STATE; COMMUNICABLE DISEASE CONTROL; GERMANY, WEST; HISTORY; PUBLIC HEALTH; QUARANTINE; SHIPS
WAS IST UND WIE ARBEITET DER HAFEN- UND DER FLUGHAFENAERZTLICHE DIENST?